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NEETMDS- biochemistry mcq
MDS PREP
Which of the following is the direct precursor of urea?
1 Glutamic acid
2 Citrulline
3 Glutamide
4 Arginine
Biochemistry Answer: 4

The lipoprotein that delivers dietary cholesterol to the liver:
1.      HDL
2.       chylomicron remnants
3.       LDL
4.      VLDL
Biochemistry Answer: 1

At the physiological ph, the DNA molecules are:


1. Posmyely charged.
2. Negatively charged.
3. Neutral.
4. Amphipathic.

Biochemistry Answer: 4

Allosteric inhibitors of liver glutamate dehydrogenase includes all except:





1. ATP


2. GTP


3. NADH


4. FADH2
Biochemistry Answer: 4

A lack of thiamine (Vit. B1) is associated with
1 Scurvy
2 Rickets
3 Pellagra
4 Beriberi
Biochemistry Answer: 4

ALL ARE TRUE ABOUT GLUTATHIONE EXCEPT?
    1. CONVERTS HEMOGLOBIN TO METHEMOGLOBIN
    2. DECREASES FREE RADICALS
    3. HELPS IN CONJUGATION REACTION
    4. CO FACTOR OF VARIOUS ENZYMES
Biochemistry Answer: 1

WHICH IS NOT A SECOND MESSENGER?
    1. AMP
    2. GUANYL CYCLASE
    3. DAG
    4. IP3
Biochemistry Answer: 2

Rhodopsin is formed in
1. Liver                                                2.Kidney
3. Retina                                               4. lens
Biochemistry Answer: 3

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