Self Quiz Answers
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Self Quiz Answers

 

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

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

 

2. What kind of chemical bonds are broken when starch is digested?

a. amide
b. ester
*c. glycosidic
d. peptide

 

3. Photosynthesis begins with:

*a. electron excitation
b. electron transfer
c. hydrolysis
d. formation of ATP

 

4. The bonding that holds the two strands of DNA together consists of ___ bonds.

a. amide
b. ester
c. glycosidic
*d. hydrogen
e. peptide

 

5. The bonding that joins pentose and phosphate in DNA and RNA is ___ bonding.

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

 

6. Amino acids can combine to become proteins by each forming __ amide bond(s) using ___.

a. 1 ... an amino group
b. 1 ... a carboxylic group
c. 2 ... two amino groups
d. 2 ... two carboxylic groups
*e. 2 ... an amino group and a carboxylic group

 

7. The primary structure of DNA and RNA involves sugar, phosphate, and heterocyclic bases bonded to one another with the ___ being bonded to the other two.

*a. sugar
b. phosphate
c. heterocyclic bases

 

8. Carbohydrates can bond to one another to form polysaccharides because of the ___ groups attached to the rings.

a. -CH3
b. -COOH
c. -NH2
*d. -OH

 

9. Energy is extracted from glucose step-by-step in a series of redox reactions.

*a. True
b. False

 

10. Which process results in the formation of glucose?

a. digestion
b. hydrogen bonding
c. hydrolysis
*d. photosynthesis
e. respiration

 

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