An NPC is made up of many copies of some 30 different proteins called nucleoporins.

TLS Online TPP Program

#Id: 8874

#Unit 2. Cellular Organization

Initial pool of active cyclin B-CDK1 phosphorylates Cdc25C, this recruits Pin1 and Plk1, which recognize Cdc25C through their phospho-binding domains. 

TLS Online TPP Program

#Id: 8389

#Unit 2. Cellular Organization

Smooth muscle contraction is regulated by the cycling of myosin II between on and off states.

TLS Online TPP Program

#Id: 913

#Unit 13. Methods in Biology

bromodeoxyuridine (BrdU) is rapidly phosphorylated and incorporated in its place into newly synthesized DNA hence BrdU is used to detect replicating cells.

TLS Online TPP Program

#Id: 10541

#Unit 4. Cell Communication and Cell Signaling

In the absence of trophic factors, nonphosphorylated

Bad binds to Bcl-2, releasing Bax and Bak and allowing them to form oligomeric membrane pores and holes.

TLS Online TPP Program

#Id: 901

#Unit 13. Methods in Biology

Alkaline phosphatase Removes 5’ phosphates from DNA and RNA.