Prophase, Metaphase, Anaphase, Telophase, and Cytokinesis are the right order of the M phase's phases.
What is the sequence of activities in a cell?The cell cycle is a four-step process in which the cell grows in size (gap 1, or G1, stage), duplicates its DNA (synthesis, or S, stage), gets ready to divide (gap 2, or G2, stage), and divides (gap 3, or S, stage) (mitosis, or M, stage).
Which sequence do the four stages of the cell cycle follow?DNA replication takes place during the S phase, also known as synthesis, while cell division takes place during the M phase, also known as mitosis. Less spectacular but no less significant are the other two phases, G1 and G2, sometimes known as the "gap phases."
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Which of the following is a method that geneticists use to determine if an individual has chromosome abnormalities?
karyotype of the individual’s chromosomes
DNA fingerprinting of the individual
X-ray of the individual
examination of the meiosis process of the chromosomes
Answer:
The karyotype of the individual’s chromosomes
Explanation:
The 9:3:3:1 ratio associated with a dihybrid cross is a ratio of all possible ______________ resulting from the cross.
linkages
crossover possibilities
genotypes
phenotypes
The 9:3:3:1 ratio associated with a dihybrid cross is a ratio of all possible phenotypes resulting from the cross.
Dihybrid cross is a cross between two individuals that has two (observed) traits controlled by two different and distinct genes. The phenotypic ratio of the offspring in a dihybrid cross is 9:3:3:1.
An example is as follows:
Picture a dihybrid cross between AABB and aabb. The F2 generation will show a phenotypic ratio of:
9 gametes have both dominant genes with at least one allele each.3 gametes only have A as the dominant allele.3 gametes only have B as the dominant allele.1 gamete has all recessive alleles.That makes up the genotypic ratio of 1 (AABB) : 2 (AABb) : 1 (AAbb) : 2 (AaBB) :4 (AaBb) : 2 (aAbb) : 1 (aaBB) : 2 (aaBb) : 1 (aabb)
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Which of the following is the correct sequence of events during mitosis?
Condensation → Nuclear membrane disassembly → Arrangement at equator → Centromere division → Segregation → Telophase is the correct sequence of events during mitosis.
During prophase, the chromosomes condense, the nucleolus disappears, and the nuclear envelope breaks down. The chromosomes align at the metaphase plate, the centromeres divide and during telophase, the chromosomes segregate and move to opposite ends of the cell and two nuclei are formed.Prophase is the first phase of mitosis. The chromosomes in the nucleus start to condense and become visible at this point.Prometaphase is the following phase. The nuclear envelope disintegrates at this time, and the chromosomes cling to the spindle fibres.Metaphase is the third phase. The chromosomes align on the metaphase plate in the centre of the cell during this time.Anaphase is the fourth phase of mitosis. The spindle fibres force the chromosomes apart at this stage, causing them to migrate to the opposing ends of the cell.Telophase is the final phase. Chromosomes have now reached the cell's poles, and the cell is beginning to divide into two daughter cells.To know more about mitosis check the below link:
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It is found that in cha-cha chickens, the allele for a double comb (A) is dominant to the allele for a single comb (a). A mother with the genotype Aa and a father with the genotype Aa produce an offspring.
What is the percent chance that the offspring will have a single comb?______
Word Bank: 75, 0, 100, 25, 50
A mother with the genotype Aa and a father with the genotype Aa produce an offspring. The percent chance that the offspring will have a single comb is 25%, which is present in the fourth option.
What is the genetic inheritance rate?
The traits that come to the offspring are from the parents, so the nature of dominance and recessiveness depends on the parents' genotype. Here, A is dominating over a, so the AA, Aa, will produce double comb, and aa will produce single comb. After the heterozygous cross, there are 1AA, 2Aa, and 1aa that will produce, so the chance of double comb is 75% (1AA, 2Aa), and the chance of single comb is 25% (aa).
Hence, the percent chance that the offspring will have a single comb is 25%, which is present in the fourth option.
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Which of the following is true about cinder cones? A. It is built from particles and blobs of solidified lava ejected from a single vent.
B. Lava coming out from this volcano is not accompanied by pyroclastic materials.
C. Lava blown out from this volcano breaks into small fragments solidify and fell as cinder around the vent.
D. It is formed from viscous magma being erupted effusively onto the surface and then piling up around the vent.
It is true of cinder cones that they are composed of fragments and blobs of solidified lava erupted from a single vent.
What is the reality of cinder cones?The most basic type of volcanoes are cinder cones. They are constructed by lava blobs and particles discharged from a single vent. Gas-charged lava is violently thrown into the air and breaks into small pieces that harden and fall as cinders around the vent to form a cone-shaped or circular structure.
A cinder cone has which of the following characteristics?The simplest kind of volcanoes are cinder cones. They are distinguished by their small size, steep slopes, and cone shape. They are the most frequent volcanoes as well. As ejected igneous builds up, cinder cones are created.
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true or false: the result of telophase is two nuclei surrounded by unwound dna inside a centriole.
Answer:
False
Explanation:
Telophase I results in the production of two nonidentical daughter cells, each of which has half the number of chromosomes of the original parent cell
False, to isolate the nuclear DNA from the cytoplasm, a nuclear membrane develops around each set of chromosomes during telophase.
What is the cell cycle?The chromosomes start to uncoil, becoming less compact and dispersed, cytokinesis, nuclear re-constitution, removal of the mitotic spindle machinery, and unwinding of the chromosomes into chromatin are characteristics of telophase, the final stage of mitosis.
Cytokinesis, or the division of the cytoplasm into two daughter cells, occurs after telophase.
Therefore, the cell ultimately forms the daughter cell nuclei and proceeds to divide into two during telophase. The process that results in the creation of sperm and egg cells is known as meiosis.
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this kettle lake formed 14,000 years ago when a glacier that covered the surrounding area melted. initially devoid of animal life, overtime the lake was colonized by invertebrates and other animals. if you are a researcher, based on the background information, hypothesize how mutation, natural selection, genetic drift, and gene flow may have affected populations that colonized the lake.
Genetic drift is the arbitrary change in the population's frequency of a gene variation that already exists. Gene variations may totally vanish glacier due to genetic drift, invertebrates which would limit genetic diversity.
When the glacier melted, species that can withstand cold climates and water would have been more prevalent, and many lake creatures would Genetic drift have gained beneficial mutations that would have helped them live better in the lake natural selection. The temperature must have been gradually increasing, which would have resulted in the selection of invertebrates that can withstand a specific amount of heat. Genetic drift would have caused certain organisms that relocated to this new lake to potentially experience founders effect and bottleneck effect. If the lake was accessible to different ecosystems, then other populations of species would have colonized the lake, adding allelic frequency of features, which would have changed the allelic diversity of their characters.
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suppose that you scooped up a sample from a pond containing water and microorganisms on kepler, hypothesize what three of those organisms might be like. include information on how the organisms would feed themselves, where they might live in the pond i.e. shallow/deep, shore/edge, and at least two structures that they might have that would help them to survive. those structures may or may not be similar to ones found in microorganisms on earth. it is up to you
Three of those organisms might be unicellular eukaryotic, prokaryotic unicellular, and strings of individual single cells.
This one is unicellular eukaryotic, which suggests that it might resemble other Protista species. Its eukaryotic organization is demonstrated by the fact that its genetic material is protected by the nuclear membrane and contains organelles that are bound to membranes. It is non-photosynthetic and is located in fish guts.
This one is prokaryotic and unicellular, thus it might be related to other monera species. Its prokaryotic organization is evident from the fact that its genetic material is not protected by the nuclear membrane and lacks membrane-bound organelles.
Strings of distinct single cells make up this one creature. It only has one type of cell. It lacks membrane-bound structures. It is autotrophic and has the structure of streptococcus, which is a row of cells.
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HELP ASAP!!! WORTH 20 POINTS!!!
Situation: CRISPR/Cas9 edits genes by precisely cutting DNA and then letting natural DNA repair processes to take over. The system consists of two parts: the Cas9 enzyme and a guide RNA. Rapidly translating a revolutionary technology into transformative therapies.
Part A: Imagine you have a pet who is experiencing a genetic disease. Would you use the CRISPR/Cas9 technology to help them battle and overcome the disease? Why or why not?
Part B: Explain the ethical issues related to using this technology on humans.
I we have a pet who is experiencing a genetic disease, then we might use the CRISPR/Cas9 technology to help them battle and overcome the disease by correcting the genetic mutations in the genes affected by the disease (question A). The ethical issues related to using this technology on humans are mainly based on the modification of the germinal line.
What is the CRISPR/Cas9 genome editing technology?The CRISPR/Cas9 genome editing technology is a technique that can be used to correct mutations and thus repair defective genes associated with diseases.
Therefore, with this data, we can see that the CRISPR/Cas9 genome editing technology is able to correct genes but it may have ethical concerns related to the modification of the germinal line.
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What is the process of translation and tRNA Anticodons?; What is the process of converting mRNA codons into amino acids?; How do tRNA and mRNA interact during translation?; What are the 3 steps of the initiation of translation?
The ribosome and a tRNA bind to the mRNA to begin translation. The ribosome's initial docking location is where the tRNA is found. The initiation codon of the mRNA, where translation begins, is complementary to the anticodon of this tRNA. The amino acid that goes with that codon is carried by the tRNA.
The answer to the question about what transpires if the anticodon does not bind to the transfer RNA .The mRNA binds to the ribosome, the tRNA transports amino acids, the tRNA anticodon binds to the mRNA codon, the amino acids are bound together by peptide bonds to create proteins, and the amino acids are transported to the mRNA by the tRNA until the translation of the mRNA is complete. In the cytoplasm, this process takes place. The process of protein synthesis will not proceed if the anticodon is not attached. In the process of protein translation, the ribosomal subunit is joined with the mRNA that needs to be translated, the tRNA carrying the initiation amino acid, GTP, which serves as an energy source, and the initiation factors.Through coanticodon-codon base pairing, all of these elements are first linked to the initiation codon to begin the process. You cannot begin the translation without it.
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blood flow is largely regulated at a tissue level. which of the following could be said regarding this process?
Answer is B: Vasodilation will be regulated by a high amount of CO2 in the tissues to remove it and deliver more O2. Vasoconstriction, the opposite of what is needed to treat acidemia, is what ADH produces.
Where in the circulatory system is blood flow largely controlled?The level of the arterioles and feed arteries is where blood flow is regulated. The largest pressure drop is found between the conduit arteries and capillaries, according to comprehensive micropuncture observations in numerous blood vessels across the systemic vasculature.
What controls the veins' blood flow?The capillaries' arteriolar lumen controls blood flow via them. The smallest veins, called venules, which take blood from capillaries. They participate in the exchange of nutrients and oxygen for water-based products.
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edema associated with which blood component plasma proteinsred blood cellswhite blood cellsplatelets
Blood product plasma proteins include anemia-causing red blood cells, leukemia-causing white blood cells, thrombosis-inducing platelets, and systemic diseases.
What does plasma do for your body?The liquid portion of your blood, plasma, makes up 55% of the overall amount of your blood. As it circulates throughout your systemic circulation, plasma is essential for the body to recuperate from damage, distribute nutrients, remove waste, and prevent infection.
Is donating plasma good for you?You are not simply more conscious about their nutrition after donating plasma. Your physical health might benefit from it as well. Regular plasma donation may help people's health, especially women, through raising levels of good cholesterol and lowering levels of bad cholesterol.
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TRUE/FALSE if the extra toes do not cause any change in the fitness of the mouse, the mutation could increase in frequency in a population of mice over time
The selection coefficient of a single mutant, or its fitness in comparison to a common reference genotype, can be calculated using information about the progeny size, growth rate, or other relevant quantities.
Natural selection can lead to macroevolution, or a change in allele frequencies over time, with fitness-increasing alleles becoming more prevalent in the population over several generations. Relative reproductive success can be measured by fitness.
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Match the terms on the left to the appropriate blanks on the right to complete the sentences.
organism
biotic
ecology
ecosystem
abiotic
community
population
is the study of interactions between organisms and their ervironment.
factors are nonliving factors that make up an environment.
factors are living factors that make up an environment.
A(n is an individual living thing, such as a plant, an animal, or a bacterium.
A(n) is a group of individuals of the same species living in a particular geographic area.
A(n) consists of all of the organisms that live in the same area at the same time.
A(n) consists of all of the abiotic and biotic factors in an area.
The answers include the following below:
Ecology is the study of interactions between organisms and their environment.Abiotic factors are nonliving factors that make up an environment.Biotic factors are living factors that make up an environment.An organism is an individual living thing, such as a plant, an animal, or a bacterium.A community is a group of individuals of the same species living in a particular geographic area.A population consists of all of the organisms that live in the same area at the same time.An ecosystem consists of all of the abiotic and biotic factors in an area.What is a Population?This is referred to as the total number of organisms which are present in an area at the same time.
This can be calculated by using quadrants or a head count depending on the type of organism.
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The drastic decline in the number of Kirkland's warblers, prompting the U. S. Forest Service to include the Kirtland’s warbler on the list of endangered species in 1967 under the Endangered Species Preservation Act of 1966 was due to Responses
This statement is true about specis preservation.
What is special presentation?The conservation of species of to in their natural habitat or the natural ecosystem is known as the in-situ conservation.
The Kirtland’s warbler, a small songbird that nests by the only in the young jack of pine to forests of Michigan, Wisconsin and Ontario, was one of the very first animals by the placed on the U.S. list of endangered species. But now it has recovered enough to come off that list, the U.S. Fish and Wildlife by to Service (FWS)
Historically, wildfires were to the most important factor and it is for establishing the natural jack pine forests that is Kirtland’s warblers need to be breeding habitat. Modern wildfire suppression in the greatly diminished the natural disturbance that once generated Kirtland’s and it is warbler breeding in habitat. In the absence of wildfire, land managers had to take an active role in mimicking natural processes that regularly occurred within the jack pine is ecosystem. This is primarily done through large-scale timber harvesting and human-assisted reforestation.
The warblers are also threatened by brown-headed cowbirds, which conservation groups work with the Forest.
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Nalidixic acid is an antibiotic that inhibits DNA synthesis by preventing the action of DNA gyrase. DNA gyrase introduces negative supercoils into DNA. Which statements explain why inhibiting negative supercoiling in bacteria inhibits overall bacterial growth?Negative supercoiling increases the size of the chromosome; making ' easier to replicate Negative supercoiling decreases chromosome compaction , which increases DNA synthesis bacteria Negative supercoiling results in the complete unwinding of DNA, allowing synthesis to occur Negative supercoiling necessary for the binding of DnaA to the origin of replication: Negative supercoiling aids in chromosome compaction, which ensures the transmission of chromosomes to daughter cells.
Oxolinic and nalidixic acids promote the development of a relaxation complex analog while inhibiting DNA gyrase activity. Sodium dodecyl sulfate treatment of the complex results in a double-strand break in the DNA substrate and the resultant linear molecule appears covalently attached to the protein.
Gyrase's ATPase activity is inhibited, which prevents DNA from forming negative supercoils and locks the chromosome in a positively supercoiled state that may have an effect on cell physiology and division later on.
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where does translation take place; rna to protein is called; explain the process of translation; where does transcription occur; trna; 7 steps of translation; dna to rna is called; rna to dna process
Translation takes place on ribosomes in the cell cytoplasm, where mRNA is read and translated into the string of amino acid chains that make up the synthesized protein.
In general, mRNA carries the genetic material from the DNA to the cytoplasm, where translation occurs. In the process of translation, proteins are made by utilizing the information stored in the mRNA sequence. These mRNA are attached to a structure called a ribosome these are able to read the genetic information.
On the other hand, Transcription occurs in the nucleus in eukaryotic organisms, while translation is said to take place in the cytoplasm and endoplasmic reticulum.
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Dams provide water for 40% of irrigated land, yet there are disadvantages to dams. Which of the following is NOT a disadvantage of dam use?
a) loss of water due to evaporation
b) provide electricity for many countries
c) increase in salinity due to evaporation and runoff
d) increase in sediment buildup leads to less available water
e) depletion of river water
b) provide electricity for many countries
The statement which is not disadvantage for dams b) provide electricity for many countries
Dam is a building that is used as a barrier to the flow of river water so as to form a reservoir with water reserves. Dams are used to raise the water level in rivers to the height required for water to flow into irrigation canals and rice fields.
The flow of water in the dam can also be used as an alternative source of hydroelectric power that is capable of producing large amounts of electricity. By using a water wheel, the rotation of the water wheel in the dam will produce strong energy of motion. The motion energy from the water wheel can be utilized to generate electrical energy.
Apart from providing many benefits, the dams they build can have negative impacts such as damaging the ecosystem. salinity will rise due to evaporation that occurs in the water in the dam, as well as the amount of water will decrease due to the extinction of sediment causing reduced air availability. The volume of river water will also decrease because the water is trapped in the dam. The process of evaporation of water in the dam due the sun's heat energy can heat up the water in the dam and cause the water molecules to move faster and turn into a gas called water vapor. water vapor and rises into the atmosphere. Evaporation of dam water causes the amount of water in the dam to decrease, thus causing the water salinity to increase.
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Based on information provided in the tutorial, which of the following describes the type of radiation that could be absorbed and emitted by Earth?
A. Earth absorbs long-wave infrared radiation and emits short-wave visible and ultraviolet radiation.
B. Earth absorbs long-wave visible and ultraviolet radiation and emits short-wave infrared radiation.
C. Earth absorbs short-wave infrared radiation and emits long-wave visible and ultraviolet radiation.
D. Earth absorbs short-wave visible and ultraviolet radiation and emits long-wave infrared radiation.
The earth absorbs long-wave visible and ultraviolet radiation and emits short-wave infrared radiation. The ground heats up and re-emits the energy as longwave radiation in the form of infrared rays. Earth emits longwave radiation because Earth is cooler than the sun and has less energy available to give off.
Dark-colored surfaces such as gravel and asphalt absorb most of the sunlight and have low albedo values closer to 0. The greater temperatures on surfaces with darker hues are also explained by this.
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you are looking at dna-protein binding data in a 14 kb region of the genome. t/f: this data provides biochemical and evolutionary evidence of functionality for a non-coding region of the genome.
If we are looking at DNA-protein binding data in a 14 kb region of the genome, then the statement this data provides biochemical and evolutionary evidence of functionality for a non-coding region of the genome is False.
What are non-coding regions of the genome?Non-coding regions of the genome are defined as fragments of the DNA molecule which do not encode proteins but they may play regulatory roles and have several hundreds of kilobases.
Therefore, with this data, we can see that non-coding regions of the genome have higher sizes than 14 kilobases (kb).
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mutation in mitochondrial dna causes which syndrome; what is the result of crossing over; what is crossing over in mitosis; crossing over occurs between; mechanism of crossing over; significance of crossing over; crossing over occurs during which phase of meiosis; mitochondrial mutation inheritance
Answer:
Hybrids.
Explanation:
During crossing over, part of one chromosome is exchanged with another. The result is a hybrid chromosome with a unique pattern of genetic material.
Red blood cells are suspended in plasma which has a concentration equivalent to that of For
PMT
0.9% sodium chloride (NaCl) solution.
A student investigated what happens to red blood cells when placed into sodium chloride
solutions of different concentration.
A small drop of blood was added to 10cm3 of each sodium chloride solution. Samples were taken from each mixture and observed under the microscope. The number of red blood cells remaining in each sample was calculated as a percentage of the number in the 0.9% solution. The results are shown in Fig. 3.1
A small drop of blood when added to 10cm3 of each sodium chloride solution. Apart from any kind of logic and evaluations one thing that is cleared from the situation that is that the cells are RBC and technically when these are placed in NaCl solution they fill with water and burst.
What kind of solution is NaCl ?It is the hyper tonic aqueous solution where the concentration of salt in salt water is higher than the RBC cells' inner concentration.
When the cells are placed in the salt solution at that time the water enters inside the cells and they swell up automatically the concentration of the cells will increase as shown in the figure but after a while.
After a while the cells are going to burst because of the lack of equilibrium in the concentration where the salt water gets inside the cells and make them to swell and automatically they will burst after a while.
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I also need help with this one !!
Answer: Here you go!
Explanation:
Interphase - Metabolic stage with no cell division; 3 stages G1, S, and G2
Prophase - Chromosomes condense; spindle fibers form
Metaphase - Chromosomes line up in the middle of the cell
Anaphase - Sister chromatids are pulled away from the center of the cell
Telophase - Chromosomes separate to polls; nuclear membrane forms; chromosomes de-condense
What is the best evidence to show that active transport is being used to move a substance across a membrane?; How do you know a cell is using active transport?; How can you identify if a cell is using active or passive transport?; Which type of cell transport would be best to move substances into or out of the cell quickly?
The statement that represents the best evidence that a cell is using active transport to move a substance across its cell membrane is ATP is being rapidly used near the cell membrane.
Active transport may be defined as a type of transport that occurs against the concentration gradient. This type of transport is generally mediated by carrier proteins. Metabolic energy is used in order to migrate ions or molecules against the concentration gradient.
Active transport typically leads to the accumulation of solute on one side of the membrane. Channels and carrier proteins are used in facilitated diffusion which is a type of passive transport.
Therefore, ATP being rapidly used near the cell membrane is the statement that represents the best evidence that a cell is using active transport to move a substance across its cell membrane.
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A man is heterozygous for dimples and a heterozygous carrier for PKU disease. He marries a woman who is also heterozygous for dimples and a heterozygous carrier for PKU disease.
Determine the following:
a. Genotype of man:
b. Genotype of woman:
c. Possible gametes of the man
d. Possible gametes of the woman
Man's genotype: Dd, Pp, and woman Genotype: Dd, Pp, and Female Gametes: Dp, DP, dP, and Potential Male Gametes: Dp, dP, dp, DP
What does it mean to be heterozygous?A gene region where there are two distinct alleles present. One regular allele and one mutant allele, or two distinct mutated alleles, can make up a heterozygous genotype (compound heterozygote).
What is an example of heterozygosity?You have such a mutant gene for that gene is if two versions differ from one another. For instance, having one gene for red hair and one gene for brown hair might indicate that you are heterozygous for hair type. Which qualities are expressed depends on how the two alleles are related.
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the rachis is group of answer choices a. harder in domesticated wheat, owing to artificial selection. b. the part of the wheat plant early farmers turned into flour. c. softer in domesticated wheat, allowing easier access to the seed. d. the soft coating surrounding fruit preferred by early farmers.
The correct answer to the question about Rachis is option A) harder in domesticated wheat, owing to artificial selection.
A rachis stalk, which is the foundational component of a grass flower, serves as the inflorescence of a wheat plant. Between two and nine distinct flowers' florets make up each spikelet. An essential axis, or "shaft," is a rachis. The primary axis of a complex structure in plants is known as a rachis. The main, flower-bearing section of an inflorescence above a supporting peduncle, as in Acacia or ferns, or the main stem of a compound leaf. These are referred to as rachillae where it splits out into other branches. When a ripe head of wild-type wheat is touched or blown by the wind, it easily breaks into dispersal units.
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What tissue would contain a high number of mitochondria?; Which cells in the human body would have the highest abundance of mitochondria and chloroplast?; Where are mitochondria found?; Why do some cells have more mitochondria?
Chloroplasts and mitochondria are required by plant cells because they carry out both photosynthesis and cellular respiration. During photosynthesis, the chloroplast transforms solar light energy into chemical energy, whereas the mitochondria, the cell's engine, creates ATP, the currency of energy, during respiration.
The membrane-bound cell organelles known as mitochondria (plural: mitochondrion) are responsible for producing the majority of the chemical energy required to fuel biochemical reactions within the cell. The mitochondria generate chemical energy, which is then stored as adenosine triphosphate, a small molecule.The majority of the chemical energy required to drive a cell's biochemical reactions is produced by mitochondria, which are membrane-bound cell organelles (mitochondrion, singular). Adenosine triphosphate, a small molecule, serves as a storage container for the chemical energy generated by the mitochondria.
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A piece of aluminium of mass 2386 g has a volume of 150 cm³. Calculate the density of zinc in g/cm³.
Answer:
16g/cm3
Explanation:
density=mass÷volume since,m=2387g v=150cm3
2386g÷150cm3=15.90666666666 approximately 16g/cm3
A piece of aluminium of mass 2386 g has a volume of 150 cm³, Therefore, the density of aluminum is approximately 15.9067 g/cm³, as density is a measure of how much mass is packed into a given volume.
To calculate the density of aluminum, one can use the formula:
Density = Mass / Volume
Given that the mass of aluminum is 2386 g and the volume is 150 cm³, we can substitute these values into the formula:
Density = 2386 g / 150 cm³
Simplifying the calculation:
Density = 15.9067 g/cm³
Therefore, the density of aluminum is approximately 15.9067 g/cm³. Density is an important property because it can help identify substances and determine their behavior in various contexts. It is commonly used in fields such as physics, chemistry, engineering, and materials science.
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instantaneous speciation: (select all correct choices) instantaneous speciation: (select all correct choices) often involves multiple chromosome sets, or polyploidy. can occur when hybridization between species produces fertile, viable offspring that are reproductively isolated from both parental species. is relatively common in plants but not in animals. is, by definition, a type of sympatric speciation. none of these
Instantaneous speciation, which is relatively common in plants but not in animals, frequently involves multiple chromosome sets or polyploidy; can happen when hybridization between species produces fertile, viable offspring that are reproductively isolated from both parental species; and is, by definition, a type of sympatric speciation.
A single person (or the progeny of a single mating) that is reproductively distinct from the species to which the parental stock belongs and is capable of founding a new species population is said to have undergone instantaneous speciation.
A fundamental unit of evolution is the species. Multiple populations that are connected by gene flow but that are individually modified by mutation, selection, and genetic drift make up most species. As a result, species act as a physical barrier to the spread of alleles. Although the idea of a species is straightforward in theory, establishing its boundaries is more difficult.
As a result, choices A, B, C, and D are the best ones.
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Which is not true about hunter-gatherer societies? A. They eat only meat. B. They have little impact on the environment. C. They are nomadic. D. They have low population density.
The statement that is not true about the hunter-gatherer societies is that they eat only meat. Option A
What is the hunter-gatherer societies?In the earliest times, people just moved from one point to the other in search of food. We had a lot of persons that travelled across mountains and seas and just settled at any point that seemed to be okay for them and there they created a society.
In that time, they did not have a sophisticated technology that could be able to have an impact on the environment as we have neither did they build permanent communities in which they lived.
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