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avanturin [10]
4 years ago
5

Why is heating and cooling necessary when doing the pcr method?

Biology
1 answer:
pav-90 [236]4 years ago
4 0

A PCR is used to amplify DNA. The heating breaks the hydrogen bonds and ensures that the double-stranded DNA helix is melted such that the two strand separate. The cooling ensures that the introduced DNA primers bind with the single strands so that elongation of the chain (to form a new double helix) can be possible by DNA polymerase.

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Plant Structure and Function Lab
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Flowering plants under se-xual reproduction and produces seeds which from which new plants are produced.

<h3>What are plants?</h3>

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Plants store sugars as starch as use sunlight as an energy source.

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Flowering plants undergo se-xual reproduction and produces seeds which from which new plants are produced.

Learn more about plants at: brainly.com/question/29594

8 0
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seraphim [82]
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4 years ago
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Evgesh-ka [11]

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4 0
2 years ago
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Delicious77 [7]

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4 0
3 years ago
Which evidence from the sea floor shows that tectonic plates move
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<span> the sea floor is youngest near a mid </span>
<span>ridge and farther away. 

i think this is the answer</span>
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