What is the co-factor for the proteolytic enzyme, carboxypeptidase?

1. Molybdenum 2. Manganese
3. Zinc 4. Copper

Subtopic:  Enzyme Cofactors |
 86%
From NCERT
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Most of the coenzymes contain:

1. Metal ions 2. FMN and FAD
3. Ribonucleoproteins 4. Vitamins
Subtopic:  Enzyme Cofactors |
 66%
From NCERT
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Most common element present in human body is:

1. Oxygen 2. Carbon
3. Hydrogen 4. Sulfur
Subtopic:  Element Analysis |
 66%
From NCERT
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Which of the following is not an aromatic amino acid?

1. Phenylalanine 2. Threonine
3. Tyrosine 4. Tryptophan
Subtopic:  Amino Acids |
 81%
From NCERT
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When we homogenize any tissues in an acid the acid soluble pool represents

1. Cytoplasm 2. Cell membrane
3. Nucleus 4. Mitochondria
Subtopic:  Introduction |
 80%
From NCERT
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A pure protein should normally have

1. Two ends 2. One end
3. Three ends 4. No ends

Subtopic:  Proteins |
 89%
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What level of protein organization structure explains the 3-D shape of an enzyme?

1. primary structure 2. tertiary structure
3. secondary structure 4. quaternary structure
Subtopic:  Proteins |
 79%
From NCERT
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The graph shown below shows the effect of a certain factor on the rate of a reaction catalyzed by an enzyme. The X-axis would show the said factor and that will be:

1. substrate concentration 2. pH
3. enzyme concentration 4. temperature
Subtopic:  Factors Affecting Enzyme Catalysis Reaction |
 57%
From NCERT
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Consider the following two statements regarding enzyme action:

I: Co-factors play a crucial role in the catalytic activity of the enzyme.
II: Catalytic activity is reduced when the co-factor is removed from the enzyme.

Of the above statements:
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. I is incorrect but II is correct

Subtopic:  Enzyme Cofactors |
From NCERT
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An alpha helix is a:
1. primary structure of a protein
2. secondary structure of a protein
3. tertiary structure of a protein
4. quaternary structure of a protein

Subtopic:  Proteins |
 81%
From NCERT
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