State whether the following statements is true/false regarding DNA replication.

1. The polymerization of DNA is essentially irreversible due to the hydrolysis of pyrophosphate.

2. On average about twenty errors are made during each replication of the human genome.

3. DNA polymerase I possesses 5ʹ → 3ʹ exonuclease activity.

4. All DNA ligase enzymes use ATP as a cosubstrate.

5. The purpose of SSB is to prevent single-stranded DNA from folding back on itself to form double-helical regions.

TLS Online TPP Program

#Question id: 31309

#Unit 1. Molecules and their Interaction Relevant to Biology

Which one of the following interactions pairs plays least role in stabilizing B-DNA?

TLS Online TPP Program

#Question id: 13117

#Unit 2. Cellular Organization

Which one of the following of correct order of electron transport during light reaction in the thylakoid membrane of chloroplast?

TLS Online TPP Program

#Question id: 20273

#Unit 7. System Physiology – Animal

Primary site of action of thiazide diuretics in the nephron is;

TLS Online TPP Program

#Question id: 23250

#Unit 13. Methods in Biology

In presence of ATP luciferase-mediated conversion of luciferin into which compound?

TLS Online TPP Program

#Question id: 271

#Unit 1. Molecules and their Interaction Relevant to Biology

Which type of RNA carries activated amino acids to the ribosome for assembly into proteins?