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Ne4ueva [31]
3 years ago
6

Which step in PCR (polymerase chain reaction) is responsible for opening and unwinding the DNA strand to be analyzed?

Biology
1 answer:
Fofino [41]3 years ago
6 0
Denaturing. This step occurs at around 95C. This causes the double strand Helix to spectate
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A description of natural events that has been proven to be true time after time, without exception.
Ainat [17]
The correct option is D.
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3 years ago
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stepan [7]

Answer:

Number <u>3</u> is the chloroplast. The chloroplast helps the plant obtain food by <u>photosynthesis</u>. Number <u>1</u> is the central vacuole. The central vacuole helps a plant maintain its structure by <u>turgor pressure</u>.

8 0
2 years ago
Which of these is the best reason to carry out scientific research on
RUDIKE [14]
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3 years ago
An effective strategy for stepping in if someone appears to need help is
LenKa [72]

Answer:

An effective strategy for stepping in if someone appears to need help is <u>directly check in with the person</u><u>.</u>

Explanation:

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