Biology- 11 Chapter 3
Enzymes - 12
1.
Melonate is a(___ inhibitor?
a) Competetive
b) Irreversible
c) Reversible
d) Non competetive
2.
Succinate is converted to fuamarate by the enzyme involved?
a) Succinate hydrogenase
b) Lipase
c) Fuamarate dehydrogenase
d) Succinate dehydrogenase
3.
Sulphonamides are?
a) Reversible inhibitors
b) Non competetive inhibitors
c) Antibacterial
d) Antiviral
4.
Inhibitors that do not compete with the substrate molecule for binding the active site of an enzyme are known as?
a) Regulatory
b) Non competetive
c) Competetive
d) Non regulatory
5.
Non competetive inhibitors bind to the?
a) None of these
b) Allosteric site
c) Passive site
d) Active site
6.
The competetive binding of a product with its enzyme's active site is known as?
a) Thermoregulation
b) Phosphorylation
c) Denaturation
d) Feedback inhibition
7.
A systematic nomenclature and classification of enzymes was given by international union of biochemistry in?
a) 1951
b) 1991
c) 1961
d) 1971
8.
How many groups of enzymes have been reported by iub?
a) 10
b) 6
c) 5
d) 4
9.
7which one of the following is not a group of enzymes?
a) Isomerases
b) Amputases
c) Ligases
d) Lyases
10.
Enzymes that catalyze the oxidation reduction reactions are called as?
a) Ligases
b) Lyases
c) Oxidoreductases
d) Transferases
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