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296. An allosteric enzyme has
A. One active site
B. One active site and one allosteric site
C. Active site and two types of allosteric sites
D. Two types of active sites
Explanation:
297. Active site of an enzyme is formed of
A. Amino groups of some amino acids
B. Carboxyl groups of some amino acids
C. - HS bonds of amino acids
D. R-groups of selected amino acids
Explanation:
298. Each step of a metabolic pathway has its
A. Own cofactor
B. Enzyme
C. Coenzyme
D. One to several enzymes
Explanation:
299. Substrate concentation at which an enzyme attains half its maximum velocity is
A. Threshold value
B. Half life
C. Michaelis-Menten constant
D. Concentration coefficient
Explanation:
300. Which one is a conjugate enzyme
A. Succinate dehydrogenase
B. Urease
C. Trypsin
D. Both A and B
Explanation:
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