10
MCQ (Single Correct Answer)
Proteins perform many physiological functions. For example, some functions as enzymes. One of the following represents an additional function that some proteins discharge
A
Antibiotics
B
Pigment conferring colour to skin
C
Pigments making colours of flowers
D
Hormones
11
MCQ (Single Correct Answer)
Glycogen is a homopolymer made of
A
glucose units
B
galactose units
C
ribose units
D
amino acids
12
MCQ (Single Correct Answer)
The number of 'ends' in a glycogen molecule would be
A
Equal to the number of branches plus one
B
Equal to the number of branch points
C
One
D
Two, one on the left side and another on the right side
13
MCQ (Single Correct Answer)
The primary structure of a protein molecule has
A
two ends
B
one end
C
three ends
D
no ends
14
MCQ (Single Correct Answer)
Which of the following reactions is not enzyme mediated in biological system?
A
Dissolving $\mathrm{CO}_2$ in water
B
Unwinding the two strands of DNA
C
Hydrolysis of sucrose
D
Formation of peptide bond