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NEETMDS- biochemistry mcq
MDS PREP

At the physiological ph, the DNA molecules are:


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

Biochemistry Answer: 4

Proteins rich in basic amino acids, such as lysine and arginine which bind strongly to DNA are
1. albumins.
2. keratins.
3. histones.
4. ã-globulins.
Biochemistry Answer: 3

Aspartame is a:

1. Non- caloric sweetener.
2. Caloric sweetener.
3. Sugar complex.
4. None of the above.
Biochemistry Answer: 1

Allosteric inhibitors of liver glutamate dehydrogenase includes all except:





1. ATP


2. GTP


3. NADH


4. FADH2
Biochemistry Answer: 4

DNA WITHOUT INTRONS IS?
    1. B DNA
    2. Z DNA
    3.nuclear dna
    4. MITOCHONDRIAL DNA
Biochemistry Answer: 4

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

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

The proteins rich in hydroxyproline and hydroxylysine which are present in connective tissue and forms gelatin on boiling is:
1. Elastin 2. Keratin
3. Collagen 4. Gluteins
Biochemistry Answer: 3

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