Populations of some species are prone to extinction for two reasons

1. The landscapes they live in are patchy (making dispersal between populations difficult).

2. Environmental conditions often change in a rapid and unpredictable manner.

TLS Online TPP Program

#Id: 8391

#Unit 2. Cellular Organization

When the Ca2+ level rises, Ca2+ binds CaM.

TLS Online TPP Program

#Id: 10452

#Unit 4. Cell Communication and Cell Signaling

Philadelphia chromosome generated by a translocation

between chromosomes 22 and 9

TLS Online TPP Program

#Id: 5693

#Unit 7. System Physiology – Animal

The major action of ADH

On principal cells in the late distal tubule and collecting duct

TLS Online TPP Program

#Id: 8027

#Unit 1. Molecules and their Interaction Relevant to Biology

UV absorption

TLS Online TPP Program

#Id: 6015

#Unit 3. Fundamental Processes

The origin enters S phase in the condition of a prereplication complex, which contains ORC, Cdc6, Cdt1, and the inactive helicase