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TLS Online TPP Program

#Question id: 282

A HATS enzymes reacts with the side-chain of lysine to form the following structure: What effect will the HATS enzymes have on histones?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. No effect, since histones contain few lysine residues.

  2. HATS will increase the affinity of histones for DNA.

  3. HATS will allow for easier unravelling of histone-DNA structures.

  4. HATS activate histones for interaction with mRNA.

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TLS Online TPP Program

#Question id: 3740

#Unit 3. Fundamental Processes

The reaction catalyzed by DNA photolyase is an example of what type of repair?
TLS Online TPP Program

#Question id: 3741

#Unit 3. Fundamental Processes

In photoreactivation, DNA damage caused by UV light is reversed by DNA photolyase which
TLS Online TPP Program

#Question id: 3742

#Unit 3. Fundamental Processes

The general excision repair pathway for DNA repair has the following order:
TLS Online TPP Program

#Question id: 3743

#Unit 3. Fundamental Processes

 In DNA repair, DNA glycosylases recognize deaminated bases within the DNA polymer and remove the deaminated
TLS Online TPP Program

#Question id: 3744

#Unit 3. Fundamental Processes

Deaminated bases must be removed from DNA because
TLS Online TPP Program

#Question id: 3745

#Unit 3. Fundamental Processes

In the Holliday model describing recombination