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22) Protein kinase A a) Removes phosphates from its target proteins. b) Is typic

ID: 256082 • Letter: 2

Question

22) Protein kinase A

a) Removes phosphates from its target proteins.

b) Is typically activated by signaling pathway that use the Gai G-protein.

c) Becomes activated when the regulatory subunits dissociates from the catalytic subunits.

d) Is found in the nucleus of the cell all the times. e) Is activated by ATP

30) The spindle assembly checkpoint

A) Ensures that each chromosome is attached to microtubule coming from both centrosomes.

B) Detect damage to newly replicated DNA.

C) Ensures that each chromosome is attached to 2 microtubules coming from same centrosomes.

D) Occurs during the G1 phase of the cell cycle.

E) Occurs during the G2 phase of the cell cycle.

Explanation / Answer

1. Protein kinase A Becomes activated when the regulatory subunits dissociate from the catalytic subunits.

2. The spindle assembly checkpoint Ensures that each chromosome is attached to microtubule coming from both centrosomes.

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