Self Quiz
Home Up Problem Set Self Quiz Self Quiz Answers

 

Self Quiz

 

1. Which of the following is/are alpha amino acid(s)?

CH3CHCOOH
|     
NH2 
Adenine NH2CH2CH2COOH Alanine

 

2. In a dipeptide, two amino acids bond to each other via a(n) _____ reaction to form an _____ bond.

a. hydrolysis....ester
b. dehydration....amide
c. hydrolysis....amide
d. dehydration....ester

 

3. The secondary structure of a protein is held together mostly by:

a. amide bonds
b. peptide bonds
c. hydrogen bonds
d. disulfide bonds

 

4. Name the four most common functions of proteins in living organisms.

 

5. In the enzyme catalyzed reaction in which ethanal is converted to ethanoic acid, ethanal is referred to as:

a. the substrate of the enzyme
b. the competitive inhibitor of the enzyme
c. the activator of the enzyme
d. the feedback inhibitor of the enzyme

 

6. Describe the process of feedback inhibition.

 

7. What happens to the protein that we eat?

 

8. What steps or processes does protein go through when it is used to provide energy?

 

9. Why would an enzyme hydrolyze ATP at the same time that it is catalyzing another reaction?

 

10. What kinds of reactions must amino-acids endure to become proteins?

 

 

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