<span>At the top of plant shoots or roots of plants is an organism called meristem. This organism produces auxin, which causes the shoot or root to grow. This shows that by pinching off the tops of the plants, it makes them grow more.</span>

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2 years ago

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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.

It is given that DNA strands to be produced is 16 times the original quantity of DNA.

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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2 years ago

Give an example of 3 detrivores. On what do they feed?

saw5 [17]

Answer:

Sea cucumber,Vulture, and worms

they feed on dead organisms

Explanation:

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2 years ago

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