Biochemistry - Membrane Structure and Functions

Exercise :: Membrane Structure and Functions - Section 1

  • Membrane Structure and Functions - Section 1
11. 

The movement of molecules across a membrane by passive transport does not require

A. an input of metabolic energy
B. internal energy
C. vibrational energy
D. none of these

Answer: Option A

Explanation:

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12. 

Peptidoglycan is a complex consisting of

A. oligo-saccharide and protein
B. polysaccharide and protein
C. mono-saccharide and protein
D. aminoacid and carbohydrate

Answer: Option A

Explanation:

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13. 

The mesosomes may be the sites of

A. DNA replication and specialized enzymatic reactions
B. RNA replications and specialized enzymatic reactions
C. RNA replications and specialized cyclic reactions
D. None of the above

Answer: Option A

Explanation:

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14. 

Which of the following is correct?

A. Peroxisomes have a single boundary membrane
B. Peroxisomes contain enzymes that degrade fatty acids and amino acids
C. The byproduct of given reactions in (b) is toxic to cells
D. All of the above

Answer: Option D

Explanation:

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15. 

The smooth endoplasmic reticulum (SER) is the site of

A. phospholipid synthesis
B. amino acid synthesis
C. carbohydrate synthesis
D. protein synthesis

Answer: Option A

Explanation:

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