Transphosphorylation (cross-phosphorylation) of receptor tyrosine kinases

a. inhibits catalytic activity.

b. promotes transphosphorylation of additional tyrosine residues.

c. triggers release of the ligand.

d. generates binding sites for signaling molecules.

TLS Online TPP Program

#Question id: 80

#Unit 1. Molecules and their Interaction Relevant to Biology

 Examine the Fischer projection below. How is this carbohydrate classified

TLS Online TPP Program

#Question id: 19194

#Unit 13. Methods in Biology

What is the second primer in the case of 5’ RACE?

TLS Online TPP Program

#Question id: 223

#Unit 1. Molecules and their Interaction Relevant to Biology

Which coenzyme links to a lysine residue in a proteinʹs active site?

A) biotin

B) lipoic acid (lipoamide)

C) pyridoxal phosphate

D) biotin and pyridoxal phosphate only

TLS Online TPP Program

#Question id: 1153

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements about adenylyl cyclase stimulation/inhibition in adipose cells is TRUE?

TLS Online TPP Program

#Question id: 11301

#Unit 10. Ecological Principles

How is phosphorus returned to the soil from organic phosphorus?