TLS Online TPP Program

#Id: 8087

#Unit 1. Molecules and their Interaction Relevant to Biology

Saturation = extent of packing

Fully saturated fatty acids in the extended form pack into nearly crystalline arrays, stabilized by many hydrophobic interactions.

TLS Online TPP Program

#Id: 7243

#Unit 5. Developmental Biology

TLS Online TPP Program

#Id: 1487

#Unit 4. Cell Communication and Cell Signaling

The tumor suppressor proteins p53 and Rb act as guardians of the cell cycle.

TLS Online TPP Program

#Id: 8971

#Unit 11. Evolution and Behavior

The Death of a Gene

When a gene is duplicated, the new copy is often dead-on arrival (lacks the regulatory elements). 

TLS Online TPP Program

#Id: 6153

#Unit 3. Fundamental Processes

DinB and UmuC are members of a distinct family of DNA polymerases found in many organisms known as the Y family of DNA polymerases. There are five translesion polymerases known in humans, four of which belong to the Y family.