The adult stem cell is housed in and controlled by its own adult stem cell niche, which regulates stem cell self-renewal, survival, and differentiation of those progeny that leave the niche.

TLS Online TPP Program

#Id: 9912

#Unit 4. Cell Communication and Cell Signaling

Cyclooxygenase-2 (COX-2)

Enzyme responsible for the formation from arachidonic acid of prostaglandins and other pro-inflammatory mediators.

TLS Online TPP Program

#Id: 10125

#Unit 6. System Physiology – Plant

H+–IAA– symporter cotransports two protons along with

the auxin anion which changes pH 7 equilibrium of cytosol so H+ ATPase actively transports H+ in apoplast

TLS Online TPP Program

#Id: 6391

#Unit 2. Cellular Organization

CAP–cAMP binds upstream to promoters DNA and target bends the DNA considerably about 100 degrees

TLS Online TPP Program

#Id: 5087

#Unit 6. System Physiology – Plant

One of the most extensively characterized of these factors is PIF3, a basic helix-loophelix (bHLH) transcription factor that interacts with both phyA and phyB.

TLS Online TPP Program

#Id: 6529

#Unit 7. System Physiology – Animal

Insulin has an AB heterodimer structure with 

One intrachain (A6-A11) 

Two interchain disulfide bridges (A7-B7 and A20-B19)