Multiple choice

1. Plants and algae are remarkable in that they can make all the organic compounds they

need from the end product of the Calvin cycle, which is

A. carbon dioxide. 

B. NADH+. 

C. G3P molecules.

D. RuBP carboxylase. 

2. Which one of the following events occurs during Calvin cycle reactions?

A. Chlorophyll energizes electrons.

B. Carbohydrates are produced.

C. ATP is produced.

D. An enzyme helper becomes NADPH.

3. The monomers of nucleic acids, such as DNA and RNA, are known as

A. nucleotides. 

B. proteins. 

C. nuclei.

D. polypeptides.

4. What happens during glycolysis?

A. Hydrogen ions combine to form water.

B. Oxidation takes place in the matrix of mitochondria.

C. The oxidation of pyruvate forms NADH and CO2.

D. Glucose breaks down into two molecules of pyruvate.