The HPV vaccine is a preparation of virus-like particles of the major L1 capsid proteins from these viruses. The L1 proteins have been genetically engineered to be expressed by the yeast Saccharomyces cerevisiae and are released by disruption of the recombinant yeast cells as self-assembled virus-like Particles.

TLS Online TPP Program

#Id: 9570

#Unit 11. Evolution and Behavior

Van Valen law -  he found a surprising result: rather straight curves, implying that the probability of extinction is roughly constant.

TLS Online TPP Program

#Id: 10006

#Unit 4. Cell Communication and Cell Signaling

Hedgehog protein with autoproteolytic activity that cleaves off the C-terminus to reveal a signal sequence that marks the protein for secretion.

TLS Online TPP Program

#Id: 8147

#Unit 2. Cellular Organization

A clathrin molecule,

called a triskelion, is composed of : 

Three heavy chains

Three light chains

TLS Online TPP Program

#Id: 8153

#Unit 2. Cellular Organization

A second function of small GTPases in vesicle formation is in the pinching off of a completed vesicle from the parent membrane

TLS Online TPP Program

#Id: 6353

#Unit 8. Inheritance Biology