PCR is a relatively simple process because it only requires three cycles to produce enough of the desired DNA.

1 answer:

6 0

<span>PCR is a relatively simple process because it only requires three cycles to produce enough of the desired DNA.

False
</span>

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If two organisms are in the same phylum, then which of these statements is correct?\

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Leaves are made of a protective tissue that protects against water loss, ground

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Answer and Explanation:

The epidermis is the outer protective tissue. They have a waxy cuticle that covers the outer walls. The cuticle prevents excessive loss of water and protects the inner cells from mechanical injury and infection. In plants that grow in dry habitats, the cuticle is very thick and waxy to reduce water loss. The leaves are also hairy to reduce water loss. In plants that grow in wet habitat, the cuticle and epidermal cells are transparent to allow light. The cuticle is thin to increase the rate of water loss.

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A homozygous recessive parent for no freckles's and heterozygous parent for freckles have a what is the of a these parent is hav

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Answer:

50% chance or 1/2.

Explanation:

Let's denote the no freckles allele with f and the freckles allele with F since it is dominant over the no freckles trait.

One parent is homozygous recessive: ff

The other parent is heterozygous (So they have freckles): Ff

Let's do a Punnett Square to calculate the possibility of the offspring having freckles or not. (The Punnett Square may not be perfect)

<u> | F f</u>

f | Ff ff

Two of the offspring have Ff, meaning they will have freckles, and two of the offspring have ff, meaning they will not have freckles.

2 out of 4 don't have freckles, which means a 50% chance or 1/2.

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In which of the following ways is the function of the surface of a micro sphere similar to the function of an actual cell membra

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For the given question above, the best answer would be both make it possible for the conditions in the interior to be different from the conditions outside.

Hope this helped (:

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Many proteins are regulated by the binding of GTP or GDP. Which form is the active state of the protein

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Answer:

GTP-bound form

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Such a receptor may be associated with the GDP-regulated G-stimulant protein system. When the neurotransmitter binds to the receptor, the protein G-GDP complex is activated by separating its β subunit. When the ligand "sticks" to it, it releases GDP and allows GTP to bind. This form of the G protein that binds GTP, is the activated ("on") form of it. When it is "on" it releases signals into the cell. After a short period (seconds or less) the G protein hydrolyzes the GTP to GDP and itself "turns off".

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