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TLS Online TPP Program

#Question id: 3729

What is a Klenow fragment?

#Unit 3. Fundamental Processes

  1. A fragment of DNA polymerase I that lacks 5ʹ → 3ʹ exonuclease activity.

  2. A topoisomerase responsible for unwinding DNA at the replication fork.

  3. A portion of the replisome responsible for RNA primer synthesis.

  4. Short stretches of DNA formed during polymerization of the lagging strand.

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TLS Online TPP Program

#Question id: 30115

#Unit 1. Molecules and their Interaction Relevant to Biology

The antibacterial trimethoprim is an inhibitor of 
TLS Online TPP Program

#Question id: 30116

#Unit 1. Molecules and their Interaction Relevant to Biology

During purine synthesis the activity of amidotransferase enzyme is inhibited by the antitumor agent, mark the correct one.
TLS Online TPP Program

#Question id: 30117

#Unit 1. Molecules and their Interaction Relevant to Biology

Catabolic end product of purines is
TLS Online TPP Program

#Question id: 30118

#Unit 1. Molecules and their Interaction Relevant to Biology

The following enzymes are involved in the catabolism of AMP to uric acid. The correct order of their use is:

1. A deaminase
2. A nucleoside phosphorylase
3. A nucleotidase
4. Xanthine oxidase
TLS Online TPP Program

#Question id: 30119

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following disorder is caused due to the high serum level of urate?
TLS Online TPP Program

#Question id: 30120

#Unit 1. Molecules and their Interaction Relevant to Biology

Name the deficiency in which T and B lymphocyte do not develop properly?