TLS Online TPP Program

#Id: 2290

#Unit 3. Fundamental Processes

RNA polymerase holoenzyme binds DNA loosely at first

a. Binds at promoter initially

b. Scans along the DNA until it finds one

TLS Online TPP Program

#Id: 10442

#Unit 4. Cell Communication and Cell Signaling

Potent form of benzo(a)pyrene induces inactivating mutations at codons 175, 248, & 273 of the p53 gene

TLS Online TPP Program

#Id: 9086

#Unit 4. Cell Communication and Cell Signaling

A1 associates with ARF6, a small G protein in host cells which are accessible only when ARF6 is in its active (GTP-bound) form. 

TLS Online TPP Program

#Id: 10022

#Unit 4. Cell Communication and Cell Signaling

Dissociation of cytosolic complex leads to the stabilization of the full-length Ci, which moves into the

nucleus, displaces the repressor Ci75 from the promoter of target genes, and induces expression of target genes.

TLS Online TPP Program

#Id: 6523

#Unit 7. System Physiology – Animal

Epinephrine and norepinephrine both act on α-and β-adrenergic receptors (adrenoceptors)