Biomolecules (Biology)

Which one of the following enzymes contains 'Haem' as the prosthetic group?

1. Succinate dehydrogenase
2. Catalase
3. RuBisCO
4. Carbonic anhydrase

Name the class of enzyme that usually catalyses the following reaction : S - G + S' S + S' - G Where, G a group other than hydrogen S a substrate S' another substrate

1. Transferase
2. Ligase
3. Hydrolase
4. Lyase

Lecithin, a small molecular weight organic compound found in living tissues, is an example of:

1. Amino acids
2. Phospholipids
3. Glycerides
4. Carbohydrates

The cofactor of the enzyme carboxypeptidase is:

1. Zinc
2. Niacin
3. Flavin
4. Haem

Inhibition of Succinic dehydrogenase enzyme by malonate is a classical example of:

1. Cofactor inhibition
2. Feedback inhibition
3. Competitive inhibition
4. Enzyme activation

Match List I with List II Choose the correct answer from the options given below.

1. A-IV, B-I, C-II, D-III
2. A-I, B-II, C-III, D-IV
3. A-II, B-III, C-IV, D-I
4. A-III, B-IV, C-I, D-II

Match List I with List II: Choose the correct answer from the options given below :

1. A-IV, B-II, C-III, D-I
2. A-III, B-II, C-I, D-IV
3. A-II, B-IV, C-I, D-III
4. A-IV, B-I, C-III, D-II

Regarding catalytic cycle of an enzyme action, select the correct sequential steps : Choose the correct answer from the options given below :

1. E, A, D, C, B
2. A, E, B, D, C
3. B, A, C, D, E
4. E, D, C, B, A

Which of the following is a nucleotide?

1. Uridine
2. Adenylic acid
3. Guanine
4. Guanosine

Ligases is a class of enzymes responsible for catalysing the linking together of two compounds. Which of the following bonds is not catalysed by it?

1. C – C
2. P – O
3. C – O
4. C – N