Answer:
the order of the amino acids in them
Explanation:
Each protein has its own unique sequence of amino acids and the interactions between these amino acids create a specify shape. This shape determines the protein's function, from digesting protein in the stomach to carrying oxygen in the blood.
Select all that apply to the evidence of evolution:
A homologies- anatomical, molecular, and developmental
B biography
C natural selection
D fossil record
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CUCKOO AND WARBLER symbiotic relationship?
Answer:
The relationship between the Cuckoo Bird and the Warbler is a parasitic symbiotic relationship.
Explanation:
The Warbler lays their eggs in the Cuckoo bird's nests that their offspring can be cared for by the other bird. The Warbler benefits by not having to care for their young while the Cuckoo bird is harmed by having to care for the extra birds in their nests.
Protozoans that are ___________________ feed on the cells and body fluids of their hosts. *
Answer:
parasitic
Explanation:
They derive energy from their hosts cos they are parasitic on nature
why do cells need to go through mitosis
Answer:
Mitosis is a way of making more cells that are genetically the same as the parent cell. It plays an important part in the development of embryos, and it is important for the growth and development of our bodies as well. Mitosis produces new cells, and replaces cells that are old, lost or damaged.
Explanation:
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During the cell cycle, the cell duplicates its genetic material. Moreover, also during this cycle, the cell synthesizes all materials required for its division.
The cell cycle can be divided into an interphase and a mitotic (M) phase.
The interphase is in turn divided into three phases: Growth 1 (G1) phase, Synthesis (S) phase and Growth 2 (G2) phase.
During the S phase, the cell duplicates its genetic material by a process called DNA replication.
During G1 phase and G2 phase, the cell grows and synthesizes all materials (i.e., proteins) required to enter into the M phase.
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Which disappears more rapidly from a population, a deleterious dominant allele or a deleterious recessive allele?
Answer:
Selection is a directional process that leads to an increase or a decrease in the frequency of genes or genotypes. Selection is the process that increases the frequencies of plant resistance alleles in natural ecosystems through coevolution, and it is the process that increases the frequencies of virulence alleles in agricultural ecosystems during boom and bust cycles.
Selection occurs in response to a specific environmental factor. It is a central topic of population and evolutionary biology. The consequence of natural selection on the genetic structure and evolution of organisms is complicated. Natural selection can decrease the genetic variation in populations of organisms by selecting for or against a specific gene or gene combination (leading to directional selection). It can increase the genetic variation in populations by selecting for or against several genes or gene combinations (leading to disruptive selection or balancing selection). Natural selection might lead to speciation through the accumulation of adaptive genetic differences among reproductively isolated populations. Selection can also prevent speciation by homogenizing the population genetic structure across all locations.
Selection in plant pathology is mainly considered in the framework of gene-for-gene coevolution. Plant pathologists often think in terms of Van der Plank and his concept of "stabilizing selection" that would operate against pathogen strains with unnecessary virulence. As we will see shortly, Van der Plank used the wrong term, as he was actually referring to directional selection against unneeded virulence alleles.
A deleterious dominant allele would disappear more slowly from a population compared to a deleterious recessive allele.
What is a deleterious dominant allele?In the case of a deleterious dominant allele, the individual possessing the allele will always express the negative trait associated with it, making it easier to identify and potentially select against. In contrast, a deleterious recessive allele may not be expressed in individuals who carry only one copy of the allele, as the normal copy of the gene can still produce enough functional protein to mask the effects of the deleterious allele.
As a result, the deleterious recessive allele can persist in a population as carriers pass the allele on to their offspring without showing any negative effects themselves. However, over time, the recessive allele may become more common in the population, increasing the likelihood of two carriers mating and producing offspring that express the deleterious trait.
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As Earth revolves around the Sun, the number of daylight hours varies from place to place. In which location would the number of daylight hours remain constant?
( North Pole, Equator, Anartica, Prime Meridian)
Answer:
i think its the Equator im not that sure
The number of daylight hours will remain constant at : ( B ) The equator
As the earth continues to revolve around the sun, It brings about the changes in seasons ( winter summer, spring and autumn ). During each season the daylight hours varies slightly across each place. While
The equator receives sufficient sunlight which makes its daylight hours fairly constant as the earth revolves around the sun. also the temperature at the equator is warm all round the seasons.
Hence we can conclude that the number of daylight hours will remain constant at the Equator.
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In order to insert a human gene into a plasmid, both must _____In order to insert a human gene into a plasmid, both must _____have identical DNA sequencesoriginate from the same type of cellcode for the same gene productbe cut by the same restriction enzymebe the same length
Answer: be cut by the same restriction enzyme resulting in the formation in the formation of the complementary sticky ends.
Explanation:
I hope this helped
Can someone help me with number 11?
what is true about main sequence stars?
A, they are all newly born stars.
B, they are middle-aged stars.
C, they are older than red giants.
D, they are older than white dwarfs.
Answer:
im positive that the answer is (d) or (c)
What is the natural source of energy in Mars, please help
Answer:
The power source is called a "Multi-Mission Radioisotope Thermoelectric Generator" or MMRTG for short. The MMRTG converts heat from the natural radioactive decay of plutonium into electricity. This power system charges the rover's two primary batteries. The heat from the MMRTG is also used to keep the rover's tools and systems at their correct operating temperatures.
Answer:
the sun
Explanation: the sun proides the heat energy
Scientists recently studied the reproductive behavior of a yeast species. They noticed a new species emerged from two populations. This new species formed after the yeast were exposed to signaling molecules called pheromones. Both male and females release pheromones, which bind to cell surface receptors. Pheromones from the male bind to female cells. The opposite is true for pheromones secreted from female cells. This signaling action causes the yeast to change their sex type.
Explain how this phenotypic plasticity is beneficial.
Answer:
Phenotypic plasticity in yeast cells is beneficial because this allows the yeast to change its phenotype of being a male or female. This plasticity depends on the type of pheromone exposure. The ability to change phenotype increases the reproductive success of yeast cells. This condition is useful for yeast, especially if they must adapt to changes affecting their reproduction and survival. By having phenotypic plasticity, the yeast can continue to grow its population size.
Answer:
When the yeast is exposed to a pheromone, its phenotypic plasticity allows it to change its sex type, meaning if there is a yeast molecule that is releasing pheromones close to another molecule of yeast, the latter molecule will change its sex type to the opposite sex, if necessary, to reproduce. The yeast's phenotypic plasticity regarding sex type allows it to grow the population more effectively, helping the species survive.
Choose...
is the gradual change in living things over long periods
Extinction
Migration
evolution
Cross a person who does not have freckles and is heterozygous for dimples with a person who has
freckles (but her mom does not) but no dimples.
1. What is the probability that these parents will have a child with dimples?
2. What is the probability that these parents will have a child with freckles?
3. What is the probability that these parents will have a child with dimples and freckles?
Answer:
1. 1/2
2. 1/2
3. 1/4
Explanation:
Let the allele for freckles be A or a while that of dimples be B or b.
A person without freckles but heterozygous for dimples = aaBb
A person who has freckles (whose mother has no freckles) but no dimples = Aabb
aaBb x Aabb
Offspring
4 AaBb - freckled and dimpled
4 Aabb - freckled and non dimpled
4 aaBb - non freckled and dimpled
4 aabb - non freckled and non dimpled
1. Probability that the parents will have a dimpled child = 8/16 or 1/2
2. Probability that they will have a child with freckles = 8/16 or 1/2
3. Probability that they will have a child with freckles and dimples = 4/16 or 1/4
See the attached image for the Punnet's square analysis of the cross
Answer the question in the picture
zvanswerefh
Explanation:
Riddick DM Inc cucumber CTN ay be bunching
Measurements of physical ocean characteristics are often taken at the time and place of phytoplankton sampling.
a. True
b. False
Can someone please help me with this AP biology question?
Need help plzssssssssssssssssss
Answer:
Offspring
Explanation:
You pass down traits to your offspring. Your offspring inherit from you.
Why might a vaccine make someone sick?
Please help this is due today.
What is one event that may occur during Telophase I?
An event that may occur during Telophase I is: the nucleus of each cell may reappear as two independent cells are being formed.
Meiosis can be defined as a type of cell division or duplication that occurs in all body cells found in living organisms, through which a single cell divides twice to produce four (4) haploid cells (gamete).
Basically, deoxyribonucleic acid (DNA) must replicate before meiosis can occur in all body cells found in living organisms.
Generally, the phases or steps that occur during meiosis include:
Prophase I.Metaphase I.Anaphase I.Telophase I.Prophase II.Metaphase II.Anaphase II.Telophase II.Sometimes, the nucleus of a single cell may reappear when two (2) independent cells are being formed during Telophase I.
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Sedimentary rocks are not found on the Moon because
A. there is no silicon on the Moon.
B. lava flows are missing from the surface.
C. the Moon's gravity is too weak.
D. there is no weathering on the Moon.
Answer:
D, There is no Weathering on the moon
Explanation:
The moon doesn't have an atmosphere therefore there cannot be any Sedimentary rocks on the Moon.
easy points i think. Just find the definitions and post here please dw abt the sources I'll do that part easy peasy.
What does the word “mendicant” mean? Why would groups like the Franciscans call themselves “mendicant?” (Site 1)
Answer:
Mendicant, member of any of several Roman Catholic religious orders who assumes a vow of poverty and supports himself or herself by work and charitable contributions. The mendicant orders surviving today are the four recognized by the Second Council of Lyon (1274): Dominicans, Franciscans, Augustinians (Augustinian Hermits), and Carmelites, as well as Trinitarians, Mercedarians, Servites, Minims, Hospitallers of St. John of God, and the Teutonic Order.
Explanation: Britannica
Answer:Mendicant, member of any of several Roman Catholic religious orders who assumes a vow of poverty and supports himself or herself by work and charitable contributions. The mendicant orders surviving today are the four recognized by the Second Council of Lyon (1274): Dominicans, Franciscans, Augustinians (Augustinian Hermits), and Carmelites, as well as Trinitarians, Mercedarians, Servites, Minims, Hospitallers of St. John of God, and the Teutonic Order.
Explanation:give the other person brainlyist
Write a short paragraph that explains the relationship between the terms "chromosome," "gene," "DNA," and "allele."
Answer: Genes appear throughout the length of each chromosome, and each chromosome pair has a unique set of genes. ... In a diploid organism, the two corresponding genes in a chromosome pair, or alleles, might be identical or might have different base sequences. Each parent contributes one allele in each pair.Alleles are different forms of same gene. Genes are linearly arranged on chromosomes. Chromosomes contain genetic material of cell i.e. DNA. So chemically alleles, genes, chromosomes are all DNA !
Explanation:
Which of the following statements is true?
In humans, fertilization creates a cell with 23 chromosomes.
All organisms have the same number of chromosome pairs.
Females have a 100 percent chance of inheriting Y-linked genetic disorders.
Males are more likely to be colorblind because they only have one X chromosome.
i need help with this on to
What are paired chromosomes called?
Answer:
Humans have 23 pairs of chromosomes--22 pairs of numbered chromosomes, called autosomes, and one pair of sex chromosomes, X and Y. Each parent contributes one chromosome to each pair so that offspring get half of their chromosomes from their
Your framework, or __________________ , is made up of all the bones in your body
Answer:
Your framework, or skelton is made up of all the bones in your body.
Explanation:
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use "glucose" in a sentence
20 points and brain thing-a-ma-bob
Answer:
Insulin is used to control the rise of glucose levels in the blood
Describe the reproductive cycle of most scyphozoans
The reproductive cycle of most scyphozoans is early in the spring, ephyrae transform into young medusae. These develop over the summer, achieve sexual maturity, reproduce sexually, and then perish.
What is a reproductive cycle?The reproductive cycle is the one that shows the reproduction of an organism. Scyphozoa reproduce both sexually (medusa) and asexually (polyp).
While both types exist, the medusa (sexual) form is more common. Sexual reproduction is not an inside process. Males release sperm into the sea, while females release eggs.
Most scyphozoan jellyfishes, including most large jellyfishes, have a two-part life cycle: free-swimming medusa and bottom-dwelling polyp (though there are significant exceptions).
Therefore, most scyphozoans reproduce in the spring, when ephyrae convert into young medusae. These grow over the summer, reach sexual maturity, reproduce sexually, and then die.
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Guys pls help me!!!!!!!
Answer:
The answer is simple sugar
Explanation:
A(n) _____ is a thick film of protein secreted by mucous membranes in the mouth that coats teeth and provides a substrate for Stretptococcus mutans to adhere and begin the formation of a slime layer.
Answer:
The correct answer is - the biofilm.
Explanation:
Biofilms are a type of one or more than one type of microbes that grow on many different surfaces, These microbes include fungi, bacteria, and protist that develop attached to the surface and one another and embedded in a self-produced matrix.
It is a thick film of protein such as fibrin, polysaccharides such as alginate or eDNA secreted by the bacteria, and other microbes that cover the teeth surface.