Question

3. In the context of the process of oxygenic photosynthesis, the _____ require(s) the greatest amount of energy while the _____ requires the least amount of energy.

a. light-dependent reactions — fixation of carbon dioxide

b. reduction of 3PG to G3P — regeneration of RuBP

c. reduction of 3PG to G3P — fixation of carbon dioxide

d. fixation of carbon dioxide — regeneration of RuBP

4. During the process of cellular aerobic respiration, which of the following steps gives off the LEAST amount of energy?

a. Chemiosmosis

b. Glycolysis

c. The Citric Acid Cycle

d. Electron Transport

5. A cell cycle checkpoint at the end of the G₁ phase might assess any of the following EXCEPT whether

a. all DNA is duplicated successfully.

b. the cell is large enough to divide successfully.

c. there is any damage to DNA strands.

d. the cell has a sufficient quantity of ribosomes and mitochondria..

6. During the process of DNA replication, each of the following steps proceeds in the 5' —> 3' direction EXCEPT the

a. production of the leading strand in a replication bubble.

b. "reading" of each DNA strand by DNA polymerase.

c. production of the RNA primer by primase.

d. production of the lagging strand in a replication bubble.