An additional kind of substitution is a nonsense variation. The changed DNA sequence, however, results in a stop signal that prematurely tells the cell to stop producing proteins, as to creating change in amino acid.
Where is DNA located in a human?Every cell in the body has DNA inside its nucleus. Its components are carefully packaged inside structures called chromosomes. Most individuals have 46 pairs of chromosomes, or 23 pairs each pair.
What is DNA made of?What is DNA composed of? Nucleotides are the chemical units that make up DNA. Three components make up these building blocks: a phosphate group, a sugar group, and one of four different nitrogen bases. Chains of nucleotides with alternating sugar phosphate groups are linked to form a strand of DNA.
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what is not an application of the elisa test? group of answer choices detect illegal drug use (e.g., marijuana or cocaine) confirm pregnancy by detecting human chorionic gonadotropin (hcg) in urine diagnose a variety of diseases (e.g., west nile virus, hiv, sars, lyme, ebola) by detecting serum antibodies detect expression of the gene encoding for gfp
We can't locate the expression of gene coding for GFP through ELISA. on the identical time ELISA may be used to detect unlawful drug use,being pregnant and in disorder diagonosis .
ELISA (enzyme-linked immunosorbent assay) is a plate-based assay technique designed for detecting and quantifying soluble substances which includes peptides, proteins, antibodies, and hormones. exclusive names, along side enzyme immunoassay (EIA), also are used to describe the identical era.
ELISA stands for enzyme-linked immuno assay. it's far a generally used laboratory check to stumble on antibodies inside the blood. An antibody is a protein produced through the body's immune system whilst it detects harmful materials, called antigens.
Sandwich ELISA steps:-
Step 1: Immobilization of the seize protein. ...
Step 2: Wash off any unadsorbed capture protein from the nicely surface.
Step 3: Block any unbound net websites at the 96-properly plate. ...
Step 4: Wash away any unadsorbed blocking off proteins from the well..
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which description correctly identifies a nucleotide?a nucleotide consists of a five carbon sugar bonded to a phosphate.a nucleotide has three main parts: a phosphate, a sugar, and a nitrogenous base.nucleotides are formed by a dehydration reaction between two or more nucleic acids.a nucleotide consists of billions of dna monomers that are condensed using histone proteins.
The correct description of a nucleotide is: a nucleotide has three main parts: a phosphate, a sugar, and a nitrogenous base.
Sugar in a nucleotide is comprised of 5 carbons. It can be of two types depending on the type of nucleotide it will be present in. These are: ribose sugar and deoxyribose sugar. Ribose sugar is present in RNA and deoxyribose sugar is present in DNA.
Nitrogenous base is the nitrogen containing compound that forms an essential part of he nucleic acids. There are total 5 nitrogenous bases: Adenine, Guanine, Cytosine, Thymine and Uracil. Out of these adenine and guanine are purines while Cytosine, Uracil and Thymine are pyrimidines.
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by what means do amoebas and slime molds move?by what means do amoebas and slime molds move?ciliaflagellapseudopodiaamoebas and slimes do not move; they are anchored to the substrate.
Moving slime molds and amoebas Slime molds, which share phenotypic characteristics with both fungus and protozoa, produce spores but move by gliding like amoebas.
The slime mold moves in what manner?A plasmodium is a multinucleate protoplasmic mass that forms when amoeba-like cells fuse together. Since the fungus is in its "creeping" stage at this point, slime molds will creep or flow across a variety of surfaces if enough water is available. They move several feet in a day and creep at a fairly quick rate.
What are the similarities between an amoeba and a slime mold?Slime mold is not a type of animal or plant. Despite occasionally looking like one, it is not a fungus. In reality, slime mold is a type of soil-dwelling amoeba, a single, mindless cell that frequently has multiple nuclei.
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as a teaching assistant, you must gather examples of deuterostomes from a large, unorganized selection of animals. which specimens should you select? (check all that apply.)
Echinoderms, ray-finned fishes, and tetrapod are the vertebrate groupings with the largest species diversity among the deuterostome lineages.
Specimens you should select :
1. Echinoderms (sea stars and sea urchins)
2. Hemichordates ("acorn worms that burrow in marine sands or mud)
3. Xenoturbellids
4. Chordata
These animals make up the Bilaterian, a collection of creatures with bilateral symmetry and three germ layers, together with Protostome and its outgroup Xenacoelomorphia.
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amniocentesis chorionic villus sampling, and multiple marker screening provide important information about the health of the letus to the parents. this knowledge can help parents prepare for the possible birth of a child with a genetic disorder.
A) why are older women more likely to have these tests performed?
B) do you think there should be any restrictions on their use?
Chorionic villus sampling and amniocentesis show increased risks in older women because it increases the risks of suffering mutations (a) and this procedure may increase the risk of spontaneous abortion (b).
What are chorionic villus sampling and amniocentesis?Chorionic villus sampling (or abbreviated as CVS) and amniocentesis are medical procedures used to determine the risk of genetic disorders in a developing embryo, which is associated with the presence of mutations and therefore they have increased risks in older women who are more prone to have mutations.
It is important to highlight that these procedures (Chorionic villus sampling and amniocentesis) may increase the risk of abortion.
Therefore, with this data, we can see that chorionic villus sampling and amniocentesis are diagnostic procedures used to determine the presence of genetic disorders in the developing embryos and they can affect the rate of spontaneous abortion.
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What would be the result of a cell that completed mitosis but did not successfully complete cytokinesis?
A-Two genetically different daughter cells
B-One large cell with two nuclei
C -One daughter cell with two nuclei and one with no nucleus
D-Two genetically identical daughter cells
When a cell undergoes mitosis but did not successfully complete cytokinesis has one large cell with two nuclei. The correct option to this question is B.
Without cytokinesis, mitosis results in:The final stage of mitosis, known as cytokinesis, is when a cell's cytoplasm and nucleus are divided into two separate, identical daughter cells.Without cytokinesis, mitosis produces a cell with multiple nuclei but a linked cytoplasm (syncytium).A cell with several nuclei is said to be multinucleated.This may be a frequent occurrence. For instance, multinucleated bone cells (osteoclasts) develop in this way in humans.During their early development, some insects, like the fruit fly, demonstrate mitosis without cytokinesis (Drosophila).It might also be a sign of a cell cycle disruption, a pathogenic condition seen in malignancies.For more information on cell cycle kindly visit to
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in cellular respiration, what is the relationship between the energy content of the reactants (glucose and o2) and products (co2 and h2o)?
There must be a difference between the energy contents of the reactants (glucose and oxygen) and the products (CO2 and H2O).
The citric acid cycle, the glycolytic cycle, and the electron transport chain are the phases.the citric acid cycle, the glycolysis process, and the electron Oxygen + Water + Glucose (sugar) + Carbon Dioxide CO2 + H2O C6H12O6 + 6O2 Cellular respiration, also known as aerobic respiration, is a sequence of chemical processes that start with the reactant molecules of sugar and oxygen and end with the waste products of carbon dioxide and water, transport network.
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test your knowledge of kidney and urinary system anatomy by selecting the terms to complete each sentence.
Renin production from JG cells is increased by low blood pressure in the kidneys. Angiotensin II activation promotes extensive vasoconstriction, posterior pituitary production of ADH, and
What time of day does blood pressure peak?Blood pressure has a daily pattern. Usually, a few hours before awakening, a person's blood pressure starts to rise. It continues to rise throughout the day, peaking about midday. Blood pressure often drops in the middle of the day and in the early evening.
What causes high blood pressure primarily?High blood pressure typically develops gradually. Unhealthy lifestyle choices, such as failing to get enough regular exercise, can be a factor. One's chance of developing high blood pressure may be increased by obesity or certain medical conditions like diabetes.
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4. What are the parent genotypes for pea seed color shown in this Punnett 1 point
Square?
Y
у
Yy
У
у
Yy
Homozygous dominant and homozygous recessive
Heterozygous and homozygous recessive
Heterozygous and heterozygous
Heterozygous and heterozygous dominant
Homozygous dominant and homozygous recessive are the parent genotypes for pea seed color shown in this Punnett 1-point Square.
The genotypes of both parents must be known in order to create a Punnett square. The alleles of one parent are listed at the top of the table, and those of the other parent is listed on the table's left side. The resulting kid genotypes are produced at the intersection of the parent's alleles.
The genotypes PpYY, PpYy, ppYY, and ppYy are among the options. For a 1:1 ratio of each phenotypic, the first two genotypes would produce plants with purple flowers and yellow peas, whereas the second and third genotypes would produce plants with white flowers and yellow peas.
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Genes are segments of DNA on a chromosome that control what?
Answer:
Your genes contain instructions that tell your cells to make molecules called proteins. Proteins perform various functions in your body to keep you healthy. Each gene carries instructions that determine your features.
Answer:
Genes are the segments of DNA that provide the codes to construct a protein.
Explanation:
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Identify the reproductive advantages seed plants have over seedless vascular plants and nonvascular plants
Ones with seeds have certain advantages over plants without seeds. For instance, when a seed germinates, the budding plant utilises the food that is stored there. There is no stored nourishment in the spores of seedless plants to aid in the growth of a new plant. The ability of animals to disperse seeds is another benefit of seed plants.
An embryo starts to develop throughout the process of germination into a new plant known as a seedling. Because of the aforementioned factors, seeds had a better probability of reproducing than seedless plants (spores).
Genetic material from both parents is present in seeds that are created by fertilisation. As a result, none of the parent plants' and the offspring are genetically similar. They may be able to survive if the environment changes thanks to their genetic variety. Pollination, the act of sexual reproduction in flowering plants, is how it happens.
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Which macromolecule would serve as an energy source for the cell and is used as a component in the cell wall of plants?.
killed vaccines work by stimulating phagocytic activity. cytotoxic t cells. lymphocyte proliferation. an antibody response. the cell-mediated immune response.
Killed vaccines work by stimulating an antibody response. An antibody response is the culmination of a series of interactions between macrophages, T lymphocytes, and B lymphocytes
Inactivated vaccines, commonly referred to as killed vaccines, include virus particles, bacteria, or other pathogens whose genetic material has been damaged by heat, chemicals, or radiation so they cannot multiply in cells but can still elicit an immune response.
Although their genetic material has been destroyed, inactivated viruses typically still include a large number of proteins that the immune system may recognize and respond to. However, because inactivated vaccines can't infect cells, they can only induce antibody-mediated reactions, which may be weaker and shorter-lived. Inactivated vaccinations are frequently administered with adjuvants (agents that stimulate the immune system) and booster doses could be necessary to address this issue.
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the erythrocyte count increases after a while when an individual goes from a low to a high altitude because the (fill in the blank) .
The erythrocyte count increases after a while when an individual goes from a low to a high altitude because , At high altitudes, both the total atmospheric pressure and the partial pressure of oxygen are low.
The cells that carry hemoglobin, an oxygen-transporting protein that gives blood its red hue, are known as erythrocytes or red blood cells (RBCs). Over 99% of the blood's biological composition consists of red blood cells. About five million RBCs may be found in one microliter of blood.
Because there is less O2 available to be loaded, high-altitude situations invariably result in lower-than-normal hemoglobin saturation levels.
High elevations result in an increase in blood hemoglobin levels. This is one of the most well-known effects of high altitude acclimatization. Oxygen may be transported more easily when there is more hemoglobin in the blood.
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describe the events that occur at the neuromusclar junction and how the action potential is generated
An action potential travels down the axon upon depolarization, causing voltage-gated calcium channels to open, resulting in an influx of calcium ions into the nerve terminal.
A neuromuscular junction (NMJ), also known as a myoneural junction, connects motor neurons to muscle fibers. This is the location where the neuron sends a signal from the brain to the muscle fiber, causing it to contract.
The nerve fiber can send a signal to the muscle fiber at the neuromuscular junction by releasing ACh (and other substances), causing muscle contraction.
When the nervous system sends signals to the muscles, they either contract or relax. The signal exchange takes place at the neuromuscular junction.
The membrane depolarizes above the threshold voltage at each node, and the influx of sodium ions initiates the action potential via Nav once more.
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causes of atherosclerosis include: group of answer choices plaques. stiffening of the arteries. twisted arteries. all of these are correct.
These are all accurate.
Is there a cure for atherosclerosis?Plaque fragments that come loose can result in blood clots that can cause a stroke or a heart attack. Atherosclerosis cannot currently be cured, however it can be slowed down by statin medications and dietary modifications.
When does atherosclerosis typically begin?Cardiologist Matthew Sorrentino, MD, a professor at The University of Chicago Medicine, says that atherosclerosis typically begins in the teen and early 20s, and that most people start to see changes by their 30s. Your heart-related tests, such as cholesterol checks, may still provide normal results in the early stages.
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In guinea pigs, the allele for black fur (B) is
dominant over the allele for white fur (b).
In a cross between a heterozygous black
guinea pig (Bb) and a homozygous white
guinea pig (bb), what is the probability
that an offspring will have white fur? Use
a Punnett square to answer the question. Pleaseeeee help
Explanation:
parental phenotype : black fur 》 white fur
parental genotype: Bb 》 bb
gametes: (B) (b) 》 (b) (b)
random fertilization: (punnet square)
b b
B Bb Bb
b bb bb
f1 generation phenotype: black fur 》 white fur
f1 gen genotype: Bb, Bb 》 bb, bb
percentage: 50% black fur 》 50% white fur
ratio: 1:1
therefore the probability of an offspring having white fur is 50% or 1/2
you are studying the dna of a person who you know has two defective copies of the gene that encodes phenylalanine hydroxylase. you are surprised to find that this person also carries two defective copies of the gene for homogentisic acid oxidase. what disease symptoms will this person exhibit? (assume pathway intermediates are not available from sources outside the phenylalanine breakdown pathway.)
This person will exhibit symptoms of Alkaptonuria
Defective homogentisic acid oxidase gene causes alkaptonuria, and deficient phenylalanine hydroxylase gene causes phenylketonuria.
Due to an incomplete oxidation of tyrosine and phenylalanine caused by the genetic condition known as alkaptonuria, higher levels of homogentisic (or melanic) acid are produced. Ochronosis and phenylketonuria are other names for it.
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carbohydrates and proteomics. suppose that a protein contains six potential n-linked glycosylation sites. how many possible proteins can be generated, depending on which of these sites is actually glycosylated? do not include the effects of diversity within the carbohydrate added
Each side is either assumed or capable as 6 potential and connected black oscillation slides. It is the number of in blink mechanization sites that decides the number of probable proteins that can emerged. There are 64 potential proteins that can be generated.
Glycosylation is known to alter the way proteins are organised in 3 sides structurally. It is important to measure the stability, function, and structural form of proteins.
A Deadly Embrace: Hemagglutination linked by SARS-CoV-2 Spike Protein at Its 22 N-Glycosylation Sites, Red Blood Cell Surface Sialoglycoproteins, and Antibody is a investigating document by David E. Scheim.
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Alexander the great, napoleon, mussolini, and hitler all suffered from which phobia? ailurophobia claustrophobia arachnophobia triskaidekaphobia.
Ailurophobia or fear of cats Alexander the great, napoleon, Mussolini, and Hitler all suffered.
Alexander the Great, Napoleon, Mussolini and Hitler, all suffered from ailurophobia the fear of cats. Ailurophobia is the extreme and irrational fear of cats.
Exposure therapy is considered to be one of the most effective treatments for phobias. This therapy works by exposing the patients with the one they fear . Therapy begins by looking at the picture of cats and gradually close interaction to decrease fear .
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in the experiment where the amount of chloroplasts was varied, what do your results show about chloroplast function?
More the chloroplasts, faster the reduction. The direct relationship between rate of DPIP reduction and amount of chloroplasts indicates the dependence of water oxidation/ reduction on active chloroplasts.
Chloroplasts are plant mobile organelles that convert light energy into incredibly stable chemical energy via the photosynthetic system. By way of doing so, they preserve existence on the planet. Chloroplasts additionally provide numerous metabolic sports for plant cells, such as the synthesis of fatty acids, membrane lipids.
They are responsible to carry out photosynthesis, the method of conversion of mild power into sugar and other natural molecules that are utilized by plant life or algae as meals. Additionally they produce amino acids and lipid components which can be important for chloroplast membrane manufacturing.
Chloroplasts are plant mobile organelles that convert mild energy into exceptionally strong chemical energy through the photosynthetic method. .
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Enzymes are proteins. Summarize in 2 or 3 paragraphs the structure and functions of proteins in living things. Include the types of chemical bonds and specific information about enzymes.
Enzymes are protein structures that will have the function of catalyzing chemical reactions, that is, they make these chemical reactions faster.
What are enzymes?Chemical reactions can be carried out without the need for these enzymes, but they will not be carried out with the same speed, but will take much longer. In our body the function of enzymes is very important as it helps us maintain a good metabolism within the cell. Almost all biochemical reactions in our body need these reactions so that the rate of formation of substrates to products is correct.
As for their structure, being proteins, they will acquire a three-dimensional conformation which collaborates with their functioning. One of its characteristics is that it has a specific site called the active center in which the substrates are going to join so that they are catalyzed.
Therefore, we can confirm that enzymes are protein structures that will have the function of catalyzing chemical reactions, that is, they make these chemical reactions faster.
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Deafness in cocker spaniels is inherited. the allele for deafness (d) is recessive to the allele for hearing (d). two cocker spaniels that are heterozygous for hearing are mated together. what is the chance that a puppy will be deaf?
What provides the heat that drives the formation of igneous and metamorphic rocks?
Answer:
Something known as magma chambers.
Explanation:
A magma chamber is a big blob of melted, liquid rock within the Continental Crust.
The rock under our feet (Continental Crust) is basically solid. At subduction zones, in particular, friction (or other) heat can melt the rock at the base of the Continental Crust, and then blobs of molten rock melt their way upwards into the Continental Crust. That’s a magma chamber.
Sometimes the magma chamber has vents leading up to the open air and the magma erupts as volcanoes. In that case, the magma chamber can empty out and the ground above collapses into it, making a hole called a caldera. But more often, the magma in the magma chamber cools down to form solid rock. Such slow-cooled rock will form crystals as it cools. One form of such crystalline rock is granite; cooled down former magma chambers now solid granite are called plutons or batholiths. Typically they will be several kilometres across, and later erosion may well expose them at the surface.
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Sometimes water seeps through the concrete wall of a basement after a heavy rain, and the
homeowner must remove it with a sump pump. How can this situation be compared to the action of
a unicellular organism that lives in a pond?
(Answer in 5-7 sentences)
Explanation:
This is Osmosis. water molecules move from an area of higher water potential to an area of lower water potential across a partially permeable membrane. in a unicellular organism, it's cell surface membrane is often selectively permeable which maintains the water potential within the cell.
which of these contain phytochemicals? a) tomatoes b) egg yolks c) fish d) all of the above
(D) All the above contains phytochemicals.
Fruits and vegetables, whether fresh or processed, are among the most significant sources of phytochemicals in the human diet. So far, around 200,000 phytochemicals have been found, with 20,000 of them originating from fruits, vegetables, and cereals.
Plants use phytochemicals to defend themselves, which means they help protect budding buds and sprouts against pollution, insects, and the weather. That most of these protective properties are passed on to us when we consume fruits and vegetables rich in phytochemicals.
Phytochemicals are non-nutritional bioactive ingredients that are primarily accountable for scavenging harmful radicals following oxidative stress by producing antioxidants, which are the root cause of the majority of chronic illnesses.
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The latitudes at which hot deserts are found have enough direct solar heating to produce high temperatures. Which of these is another primary factor that defines deserts?
Responses
The primary factor for desert is where atmospheric convection in a dry air mass hot deserts are fount at this latitudes.
What is a factor that defines deserts?Ascending and descending air creates areas of high and low pressure. As the air heats, it rises, resulting in low pressure at the surface.
As the air cools, it descends, resulting in high pressure at the surface. Low-pressure systems are typically associated with clouds and precipitation,
Which minimizes temperature changes throughout the day, whereas high-pressure systems are typically associated with dry weather and mostly clear skies.
Therefore dry air mass defines a desert and has a high temperature.
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think of a population outside the serengeti that you are familiar with, maybe one that lives near you. what factors do you think limit the size and growth of the population you chose? why
The factors that limit the size and growth of a population in Serengeti is the food supply and predation.
Population in Serengeti have suffered from competition in resource availability. Other density-dependent variables may have placed restrictions on these populations. These could be top-down elements excluding predation or bottom-up factors like food, water, or habitat. Similar to wildebeest, non-migratory zebra populations may be constrained by predators, and migratory populations may be constrained by food.
Wildebeest populations in the Serengeti increased from 770,000 in one year to 4 million in just four years, barely more than one generation. Any element (variable) in the environment that has the potential to restrict a process, such as the expansion, abundance, or distribution of a population of species in an ecosystem, is referred to as a limiting factor. Both density-dependent and density-independent limiting variables are possible.
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remembering how to solve a puzzle without any conscious recollection that you can do so best illustrates (fill in the blanks) memory.
The ability to do so finest exemplifies implicit memory.
Consciousness or conscience?"An inner sensation or voice which tells you weather your actions are good or bad" is what the term conscience denotes. An adjective meaning "aware of and responsive to one's surroundings" is "conscious."
Who can be conscious?The Latin term conscious originally meant "knowing" or "aware." Therefore, a conscious individual is aware of her surroundings as well as of her own presence and ideas. If you're "ego," you're extremely conscious of how you believe you look or act and may even be embarrassed by it.
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definition in metabolic processes of cell respiration and photosynthesis, prosthetic groups such as heme and iron-sulfur complexes are encountered in components of the electron transport chain. what do they do? a) donate electrons b) act as reducing agents c) act as oxidizing agents d) transport protons within the mitochondria and chloroplasts e) both oxidize and reduce during electron transport
Both oxidize and reduce during electron transport. Option E.
Photosynthesis produces glucose this is used in cell respiratory to provide ATP. Glucose is then converted to carbon dioxide and used for photosynthesis. Water is damaged down into oxygen throughout photosynthesis, but oxygen combines with hydrogen during cell respiration to provide water.
Cell respiratory is a chain of metabolic reactions and strategies that convert biochemical energy from nutrients to adenosine triphosphate ATP and launch waste merchandise inside the cells of an organism.
Metabolism is the chemical response within the frame's cells that convert food into strength. Our our bodies want this power to do the entirety from transferring to wondering to developing. positive proteins in the frame control metabolic chemical reactions.
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