DNA and RNA Structure

Practice Questions

AP Biology › DNA and RNA Structure

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1

The most prevalent negative charge on DNA can be found on which of the following molecular components?

2

Please complete the analogy.

Nitrogen : Nucleic Acids :: Phosphorous : ______________.

3

A section of double-stranded DNA is composed of 35% adenine bases. What is the percentage of cytosine bases in the section of DNA?

4

A __________ bond between the sugar of one nucleotide and the phosphate of an adjacent nucleotide stabilizes the backbone of the DNA.

5

An analysis of a DNA sample indicates it contains 35% adenine. What percent of the sample would be cytosine?

6

A strand of DNA was measured to contain 22% adenine. What is the DNA's composition of the other bases?

7

Which of the following is not a component of nucleic acids?

8

Which of the following molecules is not present in DNA?

9

All of the following bases are found in RNA except __________.

10

Which of the following molecules is not present in DNA?

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