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Author Question: Which two proteins are critical for the effective function of the G1 checkpoint? a. Cdk4 and Cdk6 ... (Read 83 times)

cookcarl

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on: Jun 25, 2018
Which two proteins are critical for the effective function of the G1 checkpoint?
 
  a. Cdk4 and Cdk6
  b. Cyclin E
  c. P21 and p57
  d. P53 and Rb

Question 2

Which regulatory protein is present in all stages of the cell cycle but has varying degrees of phosphorylation (activation) from phase to phase?
 
  a. p53
  b. Rb protein
  c. p21
  d. Cyclin D


k.lashomb

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Reply #1 on: Jun 25, 2018
Answer to Question 1

Correct answer: D

Answer to Question 2

Correct answer: B


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