Post-lab 10: DNA Bio

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8 Terms

1
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<p>Which enzyme is represented by the "A" label in this figure?</p>

Which enzyme is represented by the "A" label in this figure?

DNA polymerase

2
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During the DNA extraction lab, what was the purpose of salt in the extraction buffer?

It makes the DNA molecules stick together and helps separate the DNA from proteins.

3
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Which of these is NOT part of a nucleotide?

amino acid

4
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During the DNA extraction lab, what was the purpose of detergent in the extraction buffer?

It breaks down the nuclear envelope and other plasma membranes.

5
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Which DNA bases are pyrimidines? Select all that apply

thymine

cytosine

6
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Which statement about DNA's structure is TRUE?

The hydrogen bonding of cytosine to guanine is an example of complementary base pairing.

7
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During the DNA extraction lab, what was the purpose of adding ethanol?

It causes DNA to precipitate out of the solution.

8
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During the DNA extraction lab, what was the purpose of manually crushing the fruit?

It breaks down cell walls.