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notsponge [240]
3 years ago
12

Compares and contrasts the structure and function of viruses with all living cells.,

Biology
1 answer:
liq [111]3 years ago
8 0
<span>The major difference between viruses and living cells is that viruses do not have nuclei while living cells do. A second major difference is that viruses need a host cell to survive while living cells do not. For the most part, viruses just contain genetic material (typically in the form of RNA) inside of a capsid. Living cells have many more organelles, including ribosomes and cytoplasm, which viruses lack.</span>
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Suppose a gene has two alleles, one of which is dominant over the other. An individual whose genotype is for the recessive allel
Trava [24]

Answer:

This question is incomplete, the options are:

A. Two copies of the allele that determines phenotype whenever the allele is present

B. Two copies of the allele whose effect is hidden unless the other allele is absent

C. One copy of the allele that determines phenotype when present and one copy of the other allele

D. One copy of each of two alleles that both contribute equally to determining phenotype

The answer is B.

Explanation:

According to Gregor Mendel, a Gene comes in two alternative forms called ALLELES. One allele called the DOMINANT ALLELE is capable of masking the phenotypic expression of the other called the RECESSIVE ALLELE. The dominant allele will always express itself whenever it is present. However, a recessive trait will only be expressed when two alleles for recessiveness occur in the gene.

An individual whose genotype is for the recessive allele will have two copies of the allele whose effect is hidden unless the other allele is absent. This means that in that particular gene, the two present alleles will be recessive alleles.

4 0
3 years ago
Explain the role of organic compounds in cellular respiration
SSSSS [86.1K]
<span>Organic compounds such as glucose are broken down to release energy during cellular respiration.</span>
3 0
3 years ago
Bird guides once listed the myrtle warbler and Audubon's warbler as distinct species. Recently, these birds have been classified
taurus [48]

Answer:

The correct answer is A). The two forms are observed to interbreed successfully where their habitats overlap.

Explanation:

According to the biological species concept, the members in a population which interbreed with each other and produce viable offsprings comes under the same species. This classification does not involve morphology because even organisms having the same morphology can be of different species because they do not interbreed with each other in nature.

So here myrtle warbler and Audubon's warbler must be found interbreeding with each other and producing offsprings which have good survival rate and reproductive capability so this information might allowed scientists to reclassify these bird in the same species because only members of same species interbreed with each other. So the correct answer is A.

5 0
3 years ago
Can blood be both red or blue?
NeTakaya
Blood is just red.
Blue blood in diagrams is just used to distinguish between deoxygenated and oxygenated blood but there’s no such thing as hving blue blood.
8 0
3 years ago
Read 2 more answers
Tropomyosin is long enough to cover the active sites on _________ g- actin molecules.
Natali [406]
<h2>Seven</h2>

Explanation:

  • Tropomyosin is a progression of long string-like polypeptides joined start to finish that matches every F actin strand, strengthens and solidifies the F dynamic strands, and capacities to either cover up or uncover the "dynamic sites" on each globular actin molecule.
  • One single tropomyosin atom is sufficiently long to cover the dynamic restricting destinations on seven G-actin particles.
  • These are where actin atoms tie with the thicker myosin particles.
6 0
3 years ago
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