Rac, a GTPase superfamily protein,

a. is related to Ras.                             

b. may be activated by growth factors.

c. stimulates lamellipodia formation. 

d. stimulates filopodia formation.

e. stimulates stress fiber assembly.

TLS Online TPP Program

#Question id: 11812

#Unit 6. System Physiology – Plant

The  nitrogens  at the 3, 7, and 9 positions of the adenine ring of cytokinins can be conjugated to glucose residues, Alanine can also be conjugated to the nitrogen at the 9 positon, forming

TLS Online TPP Program

#Question id: 247

#Unit 1. Molecules and their Interaction Relevant to Biology

The abbreviation pdAp indicates

TLS Online TPP Program

#Question id: 15452

#Unit 4. Cell Communication and Cell Signaling

During  activation of B-cell, T cell delivers cytokines and other signals to its partner B cell. Which types of cytokine signals secreted by T-cells?

TLS Online TPP Program

#Question id: 11949

#Unit 7. System Physiology – Animal

If a woman has a tumor secreting large amounts of estrogen from the adrenal gland, which of the following will occur?

TLS Online TPP Program

#Question id: 31316

#Unit 6. System Physiology – Plant

Which of the following phytochrome family highly regulated at transcriptional and translational level?