TLS Online TPP Program

#Id: 8931

#Unit 2. Cellular Organization

DNA-PK, ATM, and ATR phosphorylate a variant histone H2AX within the chromatin near the damage site & Phosphorylated H2AX acts as a landing pad for recruiting additional protein complexes that control DNA repair

TLS Online TPP Program

#Id: 6380

#Unit 2. Cellular Organization

OC are constitutive because repressor protein is unable to bind; this allows RNA polymerase to have unrestrained access to the promoter.  The Oc mutations are cis-acting/cis dominant, because they affect only the contiguous set of structural genes.

TLS Online TPP Program

#Id: 5280

#Unit 7. System Physiology – Animal

The effects of the autonomic nervous system on heart rate are called  chronotropic effects.

TLS Online TPP Program

#Id: 8037

#Unit 1. Molecules and their Interaction Relevant to Biology

Lys & Arg have ionisation series

1------pK1-----pK2--------pKr------14

TLS Online TPP Program

#Id: 8384

#Unit 2. Cellular Organization

The length of the myosin II neck domain determines the rate of movement.