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gulaghasi [49]
3 years ago
15

Foods from animal sources usually contain which type of protein

Biology
1 answer:
Sholpan [36]3 years ago
5 0
Essential amino acids
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Which of the following is true about a phylogenetic tree ? A) they're a way of visualizing how different species are related. B)
NeTakaya
A) theyre a way of visualizing how different species are related.

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What process changes an organism by introducing novel DNA<br> into the organism?
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Recombinant DNA technology or genetic engineering.

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Genetic engineering is a process that uses some techniques to cut and join DNA from biological species and introducing the novel DNA into another organism in order to form new combinations of traits or characters that can be inherited.

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When the polymerase chain reaction (PCR) is used to amplify segments of DNA, the sample is first heated, and then cooled, in cyc
baherus [9]

Answer:

At least 17 PCR cycles or 16 PCR cycles

Explanation:

As we know -

In one chain of  heating and cooling  of polymerase chain reaction (PCR), the strands of DNA gets doubled.

The general mathematical representation of this is

{2^n - (2 *  n)}

where "n" is the number of PCR cycles.

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So the PCR cycle must be carried out at least 17 times in order to have DNA strand not less  than 16 times the original quantity of DNA

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What happens a river ages
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D. the floodplain shrinks
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