Self Quiz

1. If P stands for phosphate, B for base, and S for sugar, which of these correctly represents the structure of a single strand of nucleic acid?

a.	P-B-P-B-P-B \| \| \| S S S	c.	P-S-P-S-P-S \| \| \| B B B
b.	B-S-B-S-B-S \| \| \| P P P	d.	P-S-P-S-P-S \| \| \| B B B

2. Which of the following strands of RNA would be complementary to the strand AACUG?

a. UUGAC
b. GACUU
c. GGUCA
d. UUCAG

3. The process by which RNA is synthesized from a strand of DNA is called:

a. transcription
b. transaction
c. translation
d. transition

4. The "super molecule" which synthesizes a protein from a strand of messenger RNA is called:

a. transfer RNA
b. a ribosome
c. a double helix
d. an enzyme

5. Describe the difference between the structures of:

a. RNA and DNA

b. a single strand and a double helix

6. A codon consists of a sequence of how many bases?

a. 2
b. 3
c. 4
d. 5
e. 6

7. The anticodon is a portion of:

a. the ribosome
b. a transfer-RNA
c. the DNA
d. the messenger-RNA

8. Briefly outline the means by which an enzyme uses ATP to drive an endothermic reaction.

9. The primary function of DNA in living cells is to store and transfer:

a. electrons
b. energy
c. enzymes
d. genetic information
e. photosynthesis

10. The bonding that holds the two strands of DNA together consist of ________ bonds.

a. amide
b. ester
c. glucosidic
d. hydrogen
e. peptide

E-mail instructor: Sue Eggling

Clackamas Community College
Š2001, 2003 Clackamas Community College, Hal Bender