Exam 4 MCB

Interphase involves

• G1

• G1 & S

• G1, S & G2

• G1, S , G2 & M

Cyclins are _______________- while cdk are ______________________.

• present all the time / periodically degraded

• periodically degraded / present all the time

• periodically degraded / periodically degraded

• present all the time / present all the time

This checkpoint 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

• E2F

• MCM helicase

Chromatin is visible during interphase

• true

• false

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

• ATM

• cdc2

• cdc25

How many chromatids are visible? (write as a number)

Synapsis and crossing over occur only during

• Prophase I Mitosis

• Prophase II Mitosis

• Prophase I Meiosis

• Prophase II Meiosis

• Metaphase II Meiosis

During Meiosis, two cellular divisions occur, along with 2 rounds of replication

• True

• False

Meiosis produces

• 2 diploid cells

• 2 haploid cells

• 4 diploid cells

• 4 haploid cells