TLS Online TPP Program

#Id: 8095

#Unit 1. Molecules and their Interaction Relevant to Biology

Platelet-activating factor released from basophils and stimulates platelet aggregation and the release of vasoconstrictor serotonin from platelets.

TLS Online TPP Program

#Id: 9974

#Unit 4. Cell Communication and Cell Signaling

In the absence of Wnt,

TCF is associated with transcriptional repressor proteins Groucho (Gro) that inhibit gene transcription in nucleus

TLS Online TPP Program

#Id: 8568

#Unit 1. Molecules and their Interaction Relevant to Biology

In the presence of a non-competitive inhibitor which will bind equally well to E or to ES- Vmax decreases but not Km 

TLS Online TPP Program

#Id: 3994

#Unit 7. System Physiology – Animal

Phase 3 (rapid repolarization), calcium channels close and slow potassium channels open

TLS Online TPP Program

#Id: 1529

#Unit 2. Cellular Organization

MAPs are members of the tau family of proteins, which stabilize microtubules:

Tau 

MAP2

MAP4