If a given protein’s level peaks early in G1, but is absent before the G2 transition, what can be inferred about its possible role in regulating the cell cycle?



a. This protein inhibits Cdk1.
b. This protein activates Cdk1.
c. This protein inhibits Cdk2.
d. This protein activates Cdk2.
e. This proteins is involved in DNA synthesis.


ANSWER: d

Biology & Microbiology

You might also like to view...

With modern molecular techniques, it is now possible to completely assemble a genome from a single cell

Indicate whether the statement is true or false.

Biology & Microbiology

The Meselson-Stahl experiments used 35S radioisotopes to determine the mechanism of DNA replication

Indicate whether the statement is true or false

Biology & Microbiology

What is the current rate of species extinction?

a. 500xs faster than normal b. 20xs faster than normal c. 100xs faster than normal d. 10xs faster than normal e. 1000xs faster than normal

Biology & Microbiology

What are two typical ratios that result from crossing heterozygotes with homozygous organisms?

What will be an ideal response?

Biology & Microbiology