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.Management Sciences
Category: Biochemistry
Normal serum calcium level is_______________?
A. 4-6 mg/dl
B. 9-11 mg/dl
C. 19-21 mg/dl
D. 20-30 mg/dl
Thiamine deficiency causes decreased energy production because____________?
A. It is required for the process of transmination
B. It is co-factor in oxidative reduction
C. It is co-enzyme for transketolase in pentose phosphate pathway
D. It is co-enzyme for pyruvate dehydrogenase
The nitrogen of the body is supplied by______________?
A. Triacyl glycerol
B. Proteins
C. Glucose
D. Lipids
Step in HMP pathway requiring TPP_____________?
A. G6 PD
B. 6 phosphogluconate dehydrogenase
C. Transketolase
D. Transaldolase
Km of an enzyme is_____________?
A. Dissociation constant
B. The normal physiological substrate concentration
C. Substrate concentration at half maximal velocity
D. Numerically identical for all isozymes that catalyses a given reaction
Which of the following is not true of Vit D_______________?
A. Its active form is calcitriol
B. Increase calcium absorption from the intestines
C. Its deficiency results in rickets
D. Its decrease cause phosphate reabsorption from the kidneys
Key glycolytic enzymes_____________?
A. Phosphofructokinase
B. Hexokinase
C. Pyruvate kinase
D. Glucose 1,6 diphosphatase
An example of layses is_____________?
A. Glutamine synthetase
B. Fumarase
C. Cholinesterase
D. Amylase
Cereals are deficient in_____________?
A. Vitamin C
B. Vitamin B complex
C. Iron
D. Calcium
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