Most of the coenzymes contain:

1. Metal ions 2. FMN and FAD
3. Ribonucleoproteins 4. Vitamins

Subtopic:  Enzyme Cofactors |
 67%
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Most common element present in human body is:

1. Oxygen 2. Carbon
3. Hydrogen 4. Sulfur
Subtopic:  Element Analysis |
 69%
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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%
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The protein GLUT 4 is a/an:

1.Receptor protein2.Transport protein
3.Antibody molecule4.Enzyme

Subtopic:  Proteins |
 81%
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Most abundant protein in animal world is:
1. Keratin
2. Globin
3. Collagen
4. Amylase

Subtopic:  Proteins |
 96%
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Formation of glycosidic bond represents:

1. Dehydration 2. Hydrolysis
3. Dehydrogenation 4. Isomerization
Subtopic:  Carbohydrates |
 78%
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Most hydrated and most stable form of DNA is known as:

1. A DNA 2. B DNA
3. C DNA 4. Z DNA
Subtopic:  The DNA |
 89%
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Assertion: Enzymes are usually much larger than their substrates.

Reason: Only a small portion of their structure makes up their active sites.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false

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Assertion: Enzymes are biochemical catalysts that speed up a chemical reaction by lowering the activation energy required for a reaction to proceed.

Reason: Enzyme either brings substrates together in the correct orientation or stress particular chemical bonds of a substrate.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
 53%

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Assertion: In  competitive inhibition, the substrate and inhibitor cannot bind to the enzyme at the same time.

Reason: This type of inhibition can be overcome by sufficiently high concentrations of substrate (Vmax remains constant).

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
 54%

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