MCQ-41
The helical structure of a protein is stabilized by
A. Ether bond
B. Peptide bonds
C. Dipeptide
D. Hydrogen bonds
Answer: D
MCQ-42
Which one of the following elements is not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
Answer: D
MCQ-43
Denaturation of protein is caused by
A. Change the temperature
B. Change the pH
C. Change the heat
D. All of these
Answer: D
MCQ-44
Which of the following proteins act as carriers of O2
A. Collagen
B. Hemoglobin
C. Albumins
D. Both a and c
Answer: B
MCQ-45
Collagen and albumin are
A. Derived proteins
B. Simple proteins
C. Compound protein
D. Polysaccharide
Answer: B