Self Quiz for DNA

Self Quiz for the DNA Tutorial

Study the material in this section and then write out the answers to these question.
Do not just click on the answers and write them out. This will not test your understanding of this tutorial.

1. State the 3 basic parts of a deoxyribonucleotide. (ans)

2. State which nitrogenous bases are purines.

a. cytosine and thymine (ans)
b. adenine and guanine (ans)

3. In the complement base pairing of nucleotides, adenine can form hydrogen bonds with ____________ (ans) and guanine can form hydrogen bonds with ____________ (ans).

4. State what is meant by the 3' (3-prime) and 5' (5-prime) ends of a DNA strand. (ans)

5. State why DNA can only be synthesized in a 5' to 3' direction. (ans)

6. What is a nucleosome? (ans)

7. State whether the following characteristics are seen in prokaryotic or eukaryotic DNA.

a. linear chromosomes (ans)
b. no nuclear membrane (ans)
c. presence of nucleosomes (ans)
d. no mitosis (ans)
d. produce gametes through meiosis (ans)

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