Regulation is highly influenced by the microenvironment that surrounds a stem cell and is known as the stem cell niche.

TLS Online TPP Program

#Id: 4504

#Unit 13. Methods in Biology

When the positive terminal is on the left leg, the lead is known as the aVF lead.

TLS Online TPP Program

#Id: 9925

#Unit 4. Cell Communication and Cell Signaling

Adenoviruses and cytomegalo virus use to reduce the surface expression of class I MHC molecules, 

Measles virus and HIV, reduce levels of class II MHC molecules on the surface, 

Vaccinia virus, secreting a protein that binds to the C4b complement component.

TLS Online TPP Program

#Id: 9868

#Unit 6. System Physiology – Plant

The photoreceptor for UV-B-induced responses is UVR8, is a seven-bladed b-propeller protein, which forms functionally inactive homodimers in the absence of UV-B

TLS Online TPP Program

#Id: 8261

#Unit 1. Molecules and their Interaction Relevant to Biology

The potential energy of the dipole-induced dipole interaction is:

α = polarizability of the nonpolar molecule

TLS Online TPP Program

#Id: 5920

#Unit 3. Fundamental Processes

Trombone” model for coordinating replication by two DNA polymerases at the E. coli replication fork