Passive immunity differs from active immunity in a way that passive immunity involves the administration of preformed antibodies.
What is an active and passive immunity?Active immunity is a form of immunity when antibodies are created in response to a particular antigen. To manufacture enough antibodies to combat the infection, this sort of immunity needs time to develop. Long-lasting and more potent, this immunological reaction. It causes an immunological memory that lasts a lifetime. It boosts bodily resistance and is used as prophylactic. Antibodies used in passive immunity are sourced from sources outside the body. One illustration is antibodies acquired from the mother through breast milk. This immunological reaction is ineffective and passes quickly. It lacks any immunological memory. It is employed to treat acute infections.
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The complete question is as follows:
Passive immunity differs from active immunity in that passive immunity
A) causes long-term immunity.
B) involves the administration of preformed antibodies.
C) results in the production of antibodies.
D) is not effective against a preexisting condition.
E) results in the production of memory cells.
consider two closely related species of tropical frogs. one lives in central america, and the other lives in tropical africa. which is a reasonable hypothesis for this pattern of biogeography?
The two frog species once shared a range, but the Atlantic Ocean's creation has divided their present ranges into two distinct tropical regions.
What is biogeography?
The study of species distribution on Earth, both historically and currently, and how abiotic factors like habitat, climate, and topography affect that distribution, is known as biogeography. The three biogeographic disciplines of historical, ecological, and conservation make up the field.
Historical biogeography, also known as paleobiogeography, examines how the distribution of organisms today compares to that of the past. The distribution of species in response to biotic and abiotic environmental conditions is examined through ecological biogeography.
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Tetrodotoxin blocks voltage-gated sodium channels and ouabain blocks sodium-potassium pumps. If you added both tetrodotoxin and ouabain to a solution containing neural tissue, what responses would you expect?.
When both tetrodotoxin and ouabain are added to a solution which has neural tissue, there is immediate loss to action potential with gradual loss of resting potential.
Tetrodotoxin blocks the sodium channels which are voltage gated as it is a potent toxin. It binds with the sodium channel to specifically block the flow of sodium ions through the channel. This leads to the prevention of action potential propagation as well as generation. Thus, affect the action potential.
To this, the ouabain blocks the sodium - potassium pumps as it binds to the pump, it prevents the conformational changes to occur which are necessary for the proper functioning of the sodium-potassium pump. Thus, affecting the resting potential.
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Help Seved Click and drag each label into the correct category to indicate whether the scenario would cause crenation, hemolysis, or no change in a red blood cell Placing a red bood coll with a concentration of 0 9% NaCl into a solution with 0.19 NaCl Placing a red blood cell into an Isotonla solution Place a rod blood cell with a concentration of 0.9% NaCl into a solution of 1596 NOCI Placing a red blood cell into distilled water Placing a red blood cell into a hypertonic solution Placing a red blood cell into a hypotonic solution No Change Hemolysis Crenation Next > < Prev 13 of 50 DEI V o
1. Putting a red platelet into refined water: Hemolysis.
2. Putting a red platelet into an isotonic condition: No change.
3. Putting a red platelet into a hypotonic arrangement: Hemolysis.
4. Putting a red platelet into a hypertonic arrangement: Crenation
5. Putting a red platelet with a concentration of 0.9% NaCl into a solution of 1.5 % NaCl: Crenation.
6. Putting a red platelet with an ICF concentration of 0.9% NaCl into a solution with 0.1 % NaCl: Hemolysis.
The state of the red platelets resembles a biconcave circle. These cells are absent of any and all the core and organelles for the convenience of hemoglobin. The other name for red platelets is erythrocytes.
Crenation is an osmotic cycle wherein platelets recoil while setting hypertonic or soluble arrangements. Hemolysis is the obliteration of red platelets where cells bulge up and may detonate while setting in a hypotonic or acidic arrangement. The platelets have no adjustment of an isotonic climate on the grounds that the general convergences of solute and water are equivalent on the two sides of the film.
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What types of mutations are silent?.
Silent mutations are mutations in DNA that do not have an observable effect on the organism’s phenotype.
They are a specific type of neutral mutation. The phrase silent mutation is often used interchangeably with the phrase synonymous mutation; however, synonymous mutations are not always silent, nor vice versa. Synonymous mutations can affect transcription, splicing, mRNA transport, and translation, any of which could alter phenotype, rendering the synonymous mutation. The substrate specificity of the tRNA to the rare codon can affect the timing of translation, and in turn the co-translational folding of the protein. This is reflected in the codon usage bias that is observed in many species. Mutations that cause the altered codon to produce an amino acid with similar functionality (e.g. a mutation producing leucine instead of isoleucine) are often classified as silent; if the properties of the amino acid are conserved, this mutation does not usually significantly affect protein function.
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under what condition with the maltose operon is the activator protein bound to the activator binding site?
The lacI gene is transcribed in the absence of an inducer, such as allolactose or IPTG, and the resulting repressor protein binds Lac Operon when Inducers are present The inducer binds to the repressor during induction.
Escherichia coli's lactose operon is made up of three structural genes that code for proteins involved in lactose metabolism as well as DNA regulatory sites for the operon.
In bacteria, many of the genes that code for proteins are grouped together in groups called operons, which work as transcriptional units that are coordinatedly controlled.
When it came to the regulation of transcription, the lac operon model was first put forth by Jacob and Monod in 1961.
Three components are suggested by the operon model:
a collection of structural genes, or genes that code for the proteins that will be regulated;
a DNA region called an operator site that controls the transcription of structural genes;
a protein that recognises the operator sequence is encoded by a regulator gene.
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Q. The X in a cell indicates that the organism is eaten by the consumer in the first column.
Based on the data in the table, which of the following pairs of organisms has two ecological relationships, both competition and predation?
answer choices
Spiders and shrews
Hawks and snakes
Spiders and snakes
Spiders and grasshoppers
Based on the data in the table, the following pairs of organisms has two ecological relationships, both competition and predation are Hawks and snakes.
The courting among red tailed hawks and black racer snakes is opposition as each species devour the equal resources (rodents). The courting among the hawk and snake and the rodent is predation. White tailed deer ingesting tree leaves is predation.
In opposition, people are seeking to gain the equal environmental aid. In predation, one populace is the aid of the other. One can conceptualize opposition as taking place horizonatally at the equal aid level, whilst predation takes location vertically among unique aid level.
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enzymes often play a major role in signal transduction pathways. for example, enzymes can help convert an extracellular signal into an intracellular response. specifically, adenylyl cyclase is an enzyme that catalyzes the conversion of atp to cyclic amp (camp). one competitive inhibitor of adenylyl cyclase is called mant-itp. which of the following questions would best direct an investigation on how mant-itp impacts a signal transduction pathway?
Enzymes often play a major role in signal transduction pathways. For example, enzymes can help convert an extracellular signal into an intracellular response. Specifically, adenylyl cyclase is an enzyme that catalyzes the conversion of ATP to cyclic AMP (cAMP).
One competitive inhibitor of adenylyl cyclase is called MANT-ITP.
How does MANT-ITP affect the response to intracellular signals?
Platelet autoantibodies, which hasten platelet oxidation and prevent platelet formation, are the cause of immune thrombocytopenia (ITP). The majority of instances are thought to be idiopathic, although others are related to concomitant diseases. Secondary forms' insights imply that several processes contribute to the propensity to produce platelet-reactive antibodies. Primary ITP may also be diverse, based on the variability in natural history and therapeutic response. Some cases could be the result of ongoing, sometimes invisible infections that are accompanied by concomitant antibodies that affect the course of events. Alternately, immune system deficiencies may become apparent.
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According to Erikson, the positive resolution of the conflict of generativity vs. stagnation culminates in FILL IN THE BLANK in old age.
According to Erikson, the tension between generativity and stagnation is successfully resolved when integrity triumphs over hopelessness as people age.
Erikson meant that midlife adults have not been able to settle the contradiction between generativity and stagnation?Erikson meant that people must either believe they are enhancing the lives of others or feel purposeless when he argued that midlife adults must settle the issue of generativity vs. stagnation.
Which of the following claims regarding Erikson's generativity vs. stagnation stage is correct?Adults who are generative create a positive legacy of themselves and then present it as a gift to the following generation.
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walk me through the process of translation. what components are needed? what processes must happen? what are proteins composed of?
Transcription involves these three steps:
1. The RNA polymerase enzyme connects to the gene's promoter and causes the DNA double helix to unwind.
2. Elongation: As it travels along the DNA template strand, RNA polymerase adds RNA nucleotides that are complementary to exposed bases on the DNA strand.
3. Termination: The DNA terminator sequence indicates that a gene has reached its conclusion. When the RNA polymerase enzymes reach the terminator, they dissociate from the DNA template and release the freshly generated RNA. The double helix form of DNA returns.
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Osmoregulatory organs can be used to simultaneously remove which of the following? Gases such as CO2 Excess salts Excess water Metabolic waste
Osmoregulatory organs can be used to simultaneously remove Excess salts, Excess water and Metabolic waste.
What is Osmoregulation?
The regulation of salt and water concentrations to maintain constant osmotic pressure in an organism's fluids is known as Osmoregulation.
What is Metabolic waste?The compounds left over from metabolic processes that the organism cannot use and must be ejected are known as metabolic wastes or excrements. This includes things like CO2, phosphates, sulphates, water, and nitrogen-based chemicals. These substances are seen as excretions by animals.
Hence, Osmoregulatory organs can be used to simultaneously remove Excess salts, Excess water and Metabolic waste.
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The region of a drosophila embryo with the highest concentration of bicoid protein will develop into the _____.
Development into head. A transcription factor is how bicoid protein functions. Early segmentation is when it enters the embryos' nucleus and activates the hunchback gene.
Embryonic development starts in Drosophila at the time of fertilisation. The micropile, a structure found in what would eventually be the anterior part of the egg, is where the sperm enters the mature oocyte. The protein products of the bicoid and hunchback mRNAs are essential for the development of the head and thorax. mRNA molecules that code for the Bicoid protein are preferentially found in the anterior portion of the oocyte, which is already true at the earliest stages of oocyte development. The expression of the hunchback gene requires only moderate levels of the bicoid protein to be activated, but the formation of the head necessitates high concentrations of the protein because the promoters of a particular head gap gene must have sites of low affinity binding for the protein. As a result, this gene can only be activated in extremely high concentrations of the protein. The production of the head and other features in the anterior portion of the oocyte is hampered by a deficiency of bicoid protein.
The complete question is:
The region of a Drosophila embryo with a low concentration of bicoid protein will develop into the _____.
abdomen
male flowers
thorax
head
female flowers
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If you had a loss of function in the antennapedia gene, what phenotype would you expect?.
The expected phenotype would be A fly with no legs.
Diverse transcription beginning sites produce structurally different RNAs in the Drosophila melanogaster Antennapedia gene. Transcripts are generated from each piece of the split Antp locus when the two locations are separated by a chromosomal inversion, and these RNAs start at the same nucleotide as in animals of the wild type.
Therefore, separate promoters control the initiation sites. By using in situ hybridization, we demonstrate that transcripts from each promoter accumulate in a subset of wild-type imaginal discs in a manner that is geographically different. It's significant that the inversion mutant generally maintains these patterns.
We come to the conclusion that the promoters have separate and unique regulatory elements for spatial activation. Last but not least, we examined transcription in seven distinct dominant Antp mutants, all of which exhibit head transformation tissue to thoracic tissue.
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TRUE/FALSE. plant and animal cells also require cytoskeletal proteins for cytokinesis, although the roles these proteins play differ among bacteria, plants, and animals.
Plant and animal cells also require cytoskeletal proteins for cytokinesis, although the roles these proteins play differ among bacteria, plants, and animals. This statement is False.
The cytoskeleton is a structure that assists cells in maintaining their shape and internal organization, as well as providing mechanical support that allows cells to perform essential functions such as division and movement. There isn't just one cytoskeletal component.
The cytoskeleton is a complex, dynamic network of interlinking protein filaments found in all cells, including bacteria and archaea. It extends from the cell nucleus to the cell membrane in eukaryotes and is made up of similar proteins in different organisms. The cytoskeleton's fundamental functions include modulating cell shape, providing mechanical strength and integrity, allowing cell movement, and facilitating intracellular transport of supramolecular structures, vesicles, and even organelles.
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What are genetic instructions called?.
A genome is an organism's entire set of genetic commands. each genome incorporates all the information had to construct that organism and allow it to grow and develop.
The genome is the entire set of genetic commands discovered in a cell. In human beings, the genome includes 23 pairs of chromosomes, discovered in the nucleus, in addition to a small chromosome determined inside the cells' mitochondria.
Your genes contain commands that inform your cells to make molecules called proteins. Proteins carry out various functions for your body to keep you healthful. every gene consists of instructions that decide your functions, together with eye shade, hair coloration, and height. There are extraordinary variations of genes for every characteristic.
Allan Maxam and Walter Gilbert posted a DNA sequencing method in 1977 based on the chemical amendment of DNA and the next cleavage at unique bases. additionally referred to as chemical sequencing, this method allowed purified samples of double-stranded DNA for use without further cloning.
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which of the following is true regarding the ets? (select all that are true) group of answer choices it is located on the outer membrane of the mitochrondria. all of the complexes traverse the inner membrane, except complex ii. oxygen is required to be present for the ets to operate for atp formation hydrogen ions (protons) are actively pumped from the inner membrane space to the matrix by the complexes nadh donates electrons to complex i.
The inner mitochondrial membrane contains the Electron Transport System .
The oxidative phosphorylation process, also known as the electron transport chain, is a collection of four protein complexes that combine redox events to produce an electrochemical gradient that results in the production of ATP. Both photosynthesis and cellular respiration take place in mitochondria.
The electrons in the electron transport chain (ETC) pass through a chain of proteins that raises its reduction potential and results in an energy release. A proton gradient is produced by pumping hydrogen ions (H+) from the mitochondrial matrix to the intermembrane space with the majority of this energy being lost as heat.
This gradient generates an electrical difference with a positive charge outside and a negative charge inside, increasing the acidity in the intermembrane gap. Complex I, Complex II, Coenzyme Q, Complex III, Cytochrome C, and Complex IV are the ETC proteins in general order.
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in seed plants . group of answer choices the sporophyte is nutritionally dependent on the gametophyte the gametophyte is nutritionally dependent on the sporophyte fertilization requires water spores are responsible for dispersing new individuals
In seed plants, the sporophyte is nutritionally dependent on the gametophyte.
The photosynthetic gametophyte is necessary for the survival of the sporophyte generation. Certain sporophyte cells in the sporangium go through meiosis and contribute to both male and female spores.
The sporophyte, which is green and photosynthetic in seed plants (gymnosperms and angiosperms), is what provides food for the gametophyte. The number of cells that make up the gametophyte has decreased much more within the seed plants.
The photosynthetic gametophyte is the only source of food for the sporophyte generation. Male and female spores are produced by meiosis in the sporangium of the sporophyte's cells.
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FILL IN THE BLANK. ___ on its way back to the heart, blood travels through the capillaries, enters the and then the before returning to the heart.
Oxygenated Blood on its way back to the heart , blood travels through the capillaries, enters the and then the before returning to the heart.
A human or other vertebrate's complete body is circulated by a system of organs called the blood circulatory system, which includes the heart, blood arteries , capillaries, veins and blood itself. It contains the heart and blood vessels-based cardiovascular system, often known as the vascular system.
The pulmonary veins that enter the left atrium return the oxygenated blood to the heart. Blood enters the left ventricle from the left atrium. The aorta will deliver the oxygenated blood to every region of the body when the left ventricle pumps blood there.
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which biosafety level is required when working with organisms that can cause severe or lethal disease spread by inhalation?
The term "Biological Safety Levels" (BSL) refers to a set of safeguards applied only to operations carried out in specific biological labs.
The four biosafety levels are as follows: They are set guidelines for dealing with biological material that endangers lab workers.
A set of biocontainment measures called a biosafety level (BSL), also known as a pathogen/protection level, is needed to contain harmful biological agents. The term "Biological Safety Levels" (BSL) refers to a set of safeguards applied only to operations carried out in specific biological labs.
The four biosafety levels are as follows: They are set guidelines for dealing with biological material that endangers lab workers.
A set of biocontainment measures called a biosafety level (BSL), also known as a pathogen/protection level, is needed to contain harmful biological agents.
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What needs to pass through a nuclear membrane to integrate into the host genome?.
By integrating genomic DNA into the host chromosomes or passing episomal DNA to daughter cells, viruses typically accomplish their goal of maintaining their genome in the infected cells until the host organism dies.
How viruses integrate into the host genome?Viruses are opportunistic pathogens that target their host's cells in order to replicate, create offspring virus particles, and disseminate infection. The nucleus of the host cell serves as the site of replication for almost all DNA viruses and all but a few RNA viruses. Their viral genome must penetrate the host nucleus for this to happen. Many viral proteins, which either aid in viral replication or are necessary for the synthesis of offspring viral sub-particles or capsids, also enter the nucleus. Due to the fact that many viral pathogens assemble in the nucleus and subsequently need to leave the nucleus, nuclear export is also the root cause of viral infections.
Thus, for several viruses to complete their infection cycle, viral hijacking of nuclear transport is necessary.
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true or false? inhalants tend to be fat-soluble and therefore readily retained in lipid-rich vital organs.
Inhalants frequently have a fat-soluble nature, making them easily maintained in organs rich in lipid.
Aerosol exposure at surprisingly high quantities can result severe respiratory damage. When treating chronic insomnia, over-the-counter sleep aids are frequently very successful.
What is Insomnia ?The majority of insomnia instances are brought on by bad sleeping habits, chronic illness, sadness, anxiety, lack of exercise, or specific medications.
Having trouble falling asleep or staying asleep, as well as feeling exhausted, are possible symptoms.
Enhancing sleep patterns, engaging in behavior therapy, and locating and treating underlying causes are all part of the treatment for insomnia. You could also use sleeping pills, but you should keep an eye out for any negative effects.
Numerous inhalant chemicals are "fat soluble," meaning they remain in fatty tissues like the brain, lungs, kidneys, liver, and bone marrow. They don't leave the body easily and continue to be harmful long after the high has subsided.Pick the most common reason why inhalants are abused. It is simple to synthesize them. It is unlikely that they will have negative side effects. They give out a strong, long-lasting "high," which makes them very addicting.To know more about Insomnia please click here ; https://brainly.com/question/14525690
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The bicoid gene product is directly responsible for _____ in a developing drosophila embryo.
The anterior/posterior axis of the Drosophila embryo is organized by a concentration gradient created by the distribution of the bicoid (Bcd) protein.
It is known that bcd RNA is sequestered in the anterior pole during oogenesis, that it is not translated until fertilization, that it forms a protein gradient that works in the syncytial blastoderm after 9–10 nuclear divisions, and that it is then translated during the process of fertilization. The bcd maternal effect gene in Drosophila is responsible for encoding the homeotic protein bicoid. During Drosophila development, a gradient in the concentration of the homeotic protein bicoid shapes the anterior-posterior (A-P) axis. The first protein that was shown to function as a morphogen was bicoid. Although bicoid is crucial for the growth of Drosophila and other higher dipterans, it is lacking in the majority of other insects, where other genes fill its place.By activating transcription and repressing translation, the Drosophila protein bicoid (Bcd) regulates the expression of embryonic genes. The homeodomain (HD), which detects DNA patterns at target gene enhancers and a particular sequence interval in the Caudal (CAD) mRNA 3' untranslated region, is necessary for both of these roles.
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high glycemic index carbohydrates enter the blood slowly and provide energy over a long duration. select one: true false
The high glycaemic index carbohydrate don't enter the blood slowly or provide energy for a long time. The sentence given is False.
Carbohydrates which break down quickly during digestion have high glycaemic index. These GI carbohydrates are present in potatoes which are baked. They release glucose into the blood quickly. Carbohydrates that break slowly like oats, release the glucose in the blood slowly.
High glycaemic food such as sugar, provides instant energy which is for a short period of time. It is rapidly digested and hence there are fluctuations in the body sugar level. They are readily available as soon as they pass through the stomach and intestine.
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FILL IN THE BLANK. when german botanist carl correns crossed four-o'clock plants with different leaf pigmentations, he observed that the leaf pigmentation pattern of the offspring depended solely on the pigmentation of the ___ plant.
When German botanist Carl Correns crossed four-o'clock plants with different leaf pigmentations, he observed that the leaf pigmentation pattern of the offspring depended solely on the pigmentation of the maternal plant.
Research has shown that the mitochondria and chloroplast of a cell have their own DNA other than the DNA that is present inside the nucleus region.
There are certain genes present in the mitochondrial and chloroplast that result in traits other than the genes present on the chromosomes inside the nucleus of a cell. Such genes are transferred from the maternal plant to the offspring only because the mitochondrial or chloroplast DNA does not play a role in fertilization.
Hence, Carl Correns observed that the leaf pigmentation pattern depended on the maternal plant because the genes for leaf pigmentation for the four o'clock plant are present on the chloroplast DNA.
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TRUE/FALSE. prokaryotic gene regulation is geared toward responding to changes in the ; in multicellular eukaryotes, gene regulation is critical for directing and maintaining .
Prokaryotic gene regulation is geared toward responding to changes in the environment; in multicellular eukaryotes, gene regulation is critical for directing development and maintaining homeostasis.
The body's capacity to keep a number of functions and values that are essential to our survival constant is known as homeostasis. Cellular control is crucial for accomplishing this. By controlling the mechanisms that maintain the environment's homeostasis, regulation enables humans to react quickly to environmental changes.
Another mechanism via which the body maintains homeostasis is gene regulation or expression. For instance, the gene encoding a particular enzyme may become active in the presence of excessive substrate, resulting in the production of the enzyme and restoring substrate levels to normal.
Conversely, if the body notices that the levels of a substrate may be too low, any genes that might consume that substrate may have their expression silenced, maintaining a balanced level.
The complete question is:
Prokaryotic gene regulation is geared toward responding to changes in the_________; in multicellular eukaryotes, gene regulation is critical for directing __________ and maintaining ___________.
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which of the following, if missing, would usually prevent translation from starting in eukaryotes? 5' cap 5' cap or aug codon exon aug codon
Cap-independent translation, as contrast to cap-dependent translation, can begin scanning from the 5' end of the mRNA till the start codon without the need for a 5' cap.
Is AUG the eukaryotic start codon?Prokaryotic translation also frequently allows GUG and UUG initiation in addition to AUG, but eukaryotic translation typically begins with the AUG codon.
During the beginning of eukaryotic translation, what binds the 5 cap initially?Beginning of eukaryotic translation Small ribosomal subunit and initiator tRNA (carrying methionine) form a complex that binds to the 5' cap of mRNA. complex scans to locate the start codon from 5' to 3' (AUG). Start codon is bound by initiator tRNA.
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What is a spray container called?.
an aerosol container is a spray bottle.
How do you refer to the spray bottle's tube?Sprayers and pumps are both incredibly helpful devices for distributing liquids at the touch of a nozzle. The dip tube, however, is a crucial part of these items that is sometimes overlooked in these closures. The lengthy flexible tube that is used to dip into liquid in a container is known as a dip tube.
Do spray bottles count as aerosols?An aerosol mist of liquid particles is produced by an aerosol spray type of dispensing mechanism. It consists of a propellant under pressure and a container or bottle containing a payload. The payload is driven out of a small orifice when the container's valve is opened and comes out as an aerosol or mist.
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Arrange the parts in order, from left to right, of a successful direct depolarization path within one neuron. Dendrite, cell body, axon hillock, axon, presnaptic terminal
Arrange the parts in order : Dendrite > Cell body > Axon hillock > Axon > Presynaptic terminal
Within a single neuron, the order of the direct depolarization pathway is Dendrite Cell body Axon hillock Axon Presynaptic terminal.
The protoplasmic extension of the cell body known as a dendrite receives electrical input from neighboring neurons.
The soma of the neuron, which is spherical in form and includes the nucleus, is another name for the cell body of the neuron. The large area of the cell body close to the axon that joins the cell body and axon is known as an axon hillock.
The neuron's axon, which is long and thin and transports electrical impulses from the cell body to the presynaptic terminals, The presynaptic terminal is the portion of the neuron that transmits impulses to the following neuron's dendrite while also housing neurotransmitters in synaptic vesicles.
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How does mitosis lead to the development of cancer?.
Cancer is basically a disorder of mitosis - the ordinary 'checkpoints' regulating mitosis are unnoticed or overridden through most cancers cell. cancer begins whilst an unmarried cellular is converted, or transformed from an ordinary cell to a most cancers cell.
Overexpression of increased elements or a loss of suppressor proteins can result in a speedy out of control cellular department. As cells proliferate without law, tumors arise that may turn out to be lethal if now not treated. Mitosis occurs infinitely.
Mitosis is critical to lifestyles, but it's also a manner that takes place to a runaway degree in most cancers.
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because bananas are triploid, they have an extra blank. thus, blank pairs cannot line up during blank. therefore, it is not possible to generate gametes that can fuse to produce a zygote with the blank set of chromosomes.
Bananas have three sets of chromosomes since they are a triploid species. Therefore, during meiosis, homologous pairs cannot align. The ability to make gametes that can unite to form zygotes with the triploid set of chromosomes is therefore not possible.
What is triploid?Fetuses are born with an extra set of chromosomes in their cells due to the unusual chromosomal anomaly known as triploidy.23 chromosomes make up one pair of chromosomes is a haploid set A diploid set consists of two sets, or 46 chromosomes. A triploid set has 69 chromosomes or three sets. The average cell has 46 chromosomes, of which 23 are inherited from the mother and 23 from the father. A fetus becomes triploid when one of the parents gives it an extra pair of chromosomes. It is fatal to have a triploid genome. Rarely do fetuses with the anomaly make it to delivery. Several pregnancies spontaneously end in the first trimester. Before they are fully developed, other babies die. The few newborns who do make it to term suffer numerous serious birth abnormalities. Some typical flaws include growth issues Heart problems abnormalities of the neural tube, such as spina bifida Triploid babies often do not make it past the first few days following birth. Mosaic triploid babies typically live for several years after birth. When there are different numbers of chromosomes in each cell, mosaic triploid results chromosome counts range from 46 in some cells to 69 in others
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the three greatest current threats to biodiversity, in order starting with the greatest, are
The type of lipoprotein takes cholesterol from cells or atherosclerotic deposits back to the liver is High density lipoproteins (HDL).
What is High density lipoprotein?High density lipoprotein can transport back cholesterol and sometimes called "good cholesterol". Patient with too low high-density lipoprotein will be considered having dyslipidemia(disturbance in cholesterol concentration) when other cholesterol considered as dyslipidemia if its too high.
Patient with too low high-density lipoprotein will be considered having dyslipidemia(disturbance in cholesterol concentration) and high density lipoprotein can transport back cholesterol and sometimes called "good cholesterol".
Therefore, The type of lipoprotein takes cholesterol from cells or atherosclerotic deposits back to the liver is High density lipoproteins (HDL).
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