Question

1. What highly unsaturated fatty acid is synthesized from the fatty acid linoleic acid and is a precursor for the synthesis of prostaglandins?

A. Arachidonic acid

B. Oleic acid

C. Linolenic acid

D. Stearic acid

2. The glycosphingolipid that accumulates in the nervous system of affected Tay-Sachs individuals is

A. Phosphatidylcholine

B. GM2

C. Sphingomyelin

D. Ceramide

E. Sphingosine

3. Fatty acids generally contain how many carbon atoms?

A. 6

B. An even number

C. 12

D. An odd number

E. 8

4. Which of the following substances don’t contribute to the structure of biological membranes?

A. Globular proteins

B. Cholesterol

C. Glycolipids

D. Prostaglandins

E. Phospholipids

5. What is the product of the complete hydrogenation of linoleic acid?

A. Steric acid

B. Linolenic acid

C. Wax

D. Arachidonic acid

E. An ester

Answer 1

Answer for multiple choice questions:

1. What highly unsaturated fatty acid is synthesized from the fatty acid linoleic acid and is a precursor for the synthesis of prostaglandins?

Answer : A. Arachidonic acid

2. The glycosphingolipid that accumulates in the nervous system of affected Tay-Sachs individuals is

Answer : B. GM2 (Disialotetrahexosylganglioside)

3. Fatty acids generally contain how many carbon atoms?

Answer : generally they contain a minimum of 12 carbon atoms.

4. Which of the following substances don’t contribute to the structure of biological membranes?

Answer : B. Cholesterol

5. What is the product of the complete hydrogenation of linoleic acid?

Answer : A. Steric acid