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TLS Online TPP Program

#Question id: 1675

Somatic hypermutation of V genes:

#XL - Q Biochemistry

  1. Is confined to the hypervariable regions

  2. Involves heavy but not light chain immunoglobulin V genes

  3. Does not occur in IgM antibodies

  4. Can decrease the affinity of an antibody

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TLS Online TPP Program

#Question id: 4947

#XL - S Microbiology

The first genes on Earth were probably
TLS Online TPP Program

#Question id: 4947

#XL - T Zoology

The first genes on Earth were probably
TLS Online TPP Program

#Question id: 4948

#XL - S Microbiology

RNA molecules can both carry genetic information and be catalytic. This supports the proposal that 
TLS Online TPP Program

#Question id: 4948

#XL - T Zoology

RNA molecules can both carry genetic information and be catalytic. This supports the proposal that 
TLS Online TPP Program

#Question id: 4949

#XL - S Microbiology

What probably accounts for the switch to DNA-based genetic systems during the evolution of life on Earth?
TLS Online TPP Program

#Question id: 4949

#XL - T Zoology

What probably accounts for the switch to DNA-based genetic systems during the evolution of life on Earth?