Exam IV

Chaperones bind to hydrophilic patches of the protein to prevent protein aggregation

• True

• False

Which of the following is involved in the correct folding of proteins?

• Chaperones

• Chaperonins

• BiP

• Protein disulfide isomerase

• All of the above

Interphase consists of?

• G1 and G2

• G1, G2, and M

• G1, S, and G2

• G1 and S

Cyclins are ______________ , while cdks are______________

• Present all the time / periodically degraded

• Present all the time / present all the time

• Periodically degraded / present all the time

• Periodically degraded / periodically degraded

Which of the following checkpoints does not detect cellular DNA damage?

• G0

• G1

• S

• G2

• M

In the absence of growth factors, Rb protein binds to and inhibits...

• Cdk 4,6

• Cyclin D

• MCM helicase

• E2F

Chromatin is visible during interphase

• True

• False

When DNA damage is detected, the protein kinase _________ is activated

• ATM

• Cdc2

• Cdc25

• Cdk2

How many chromatids are visible? (answer as number)

Synapsis and crossing over occur only during...

• Prophase I of Mitosis

• Prophase II of Mitosis

• Prophase I of Meiosis

• Prophase II of Meiosis