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TLS Online TPP Program

#Question id: 5845

Which of the following statements is false?  In vitro, the strand-exchange reaction:

#Unit 8. Inheritance Biology

  1. can include formation of a Holliday intermediate.

  2. is accompanied by ATP hydrolysis.

  3. may involve transient formation of a three- or four-stranded DNA complex.

  4. requires DNA polymerase.

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TLS Online TPP Program

#Question id: 1673

#Unit 4. Cell Communication and Cell Signaling

N-region insertion is associated with the expression of:
TLS Online TPP Program

#Question id: 1674

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of receptor editing?
TLS Online TPP Program

#Question id: 1675

#Unit 4. Cell Communication and Cell Signaling

Somatic hypermutation of V genes:
TLS Online TPP Program

#Question id: 1676

#Unit 4. Cell Communication and Cell Signaling

NK cells lack receptors with:
TLS Online TPP Program

#Question id: 1677

#Unit 4. Cell Communication and Cell Signaling

The Ly49A receptor on NK cells does NOT:
TLS Online TPP Program

#Question id: 1678

#Unit 4. Cell Communication and Cell Signaling

What does the MHC class I heavy chain consists of?