TLS Online TPP Program

#Id: 650

#Unit 3. Fundamental Processes

Two major products of UV absorption by pyrimidines (thymine and cytosine) are pyrimidine hydrates and pyrimidine dimers.

TLS Online TPP Program

#Id: 7885

#Unit 2. Cellular Organization

VDAC 

A multifunctional transmembrane channel protein (similar in structure to bacterial porins) allow passing of  ions and most small hydrophilic molecules (up to about 5000 Da).

TLS Online TPP Program

#Id: 7928

#Unit 2. Cellular Organization

Muscle cells have an abundant, modified smooth ER called the sarcoplasmic reticulum.

The release and reuptake of Ca2+ by the sarcoplasmic reticulum trigger myofibril contraction and relaxation, respectively

TLS Online TPP Program

#Id: 1300

#Unit 2. Cellular Organization

P2 ATPases transports 

Na+, K+, H+ Ca2+, Mg2+ and phospholipids

TLS Online TPP Program

#Id: 930

#Unit 5. Developmental Biology

Stem cells are sometimes referred to as “undifferentiated” due to this maintenance of proliferative properties.