The rate of replication is -2000 bp/min, which is much slower than the 50,000 bp/min of bacterial replication fork movement, presumably because the chromosome is assembled into chromatin, not naked DNA.

TLS Online TPP Program

#Id: 5559

#Unit 7. System Physiology – Animal

The effect is mediated via the vasopressin V2 receptor, cyclic adenosine 5-monophosphate (cAMP) & protein kinase A

TLS Online TPP Program

#Id: 1909

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 5950

#Unit 10. Ecological Principles

Trophic-level transfer efficiency is low for the two reasons

a- Many organisms cannot digest all their prey.  

b- Much of the energy assimilated by animals is used in maintenance.

c- The dead organisms and feces become dinner for decomposers.

TLS Online TPP Program

#Id: 2371

#Unit 5. Developmental Biology

In regenerating planaria, β-catenin is activated in the posterior-facing blastema, which generates a tail.

TLS Online TPP Program

#Id: 9414

#Unit 11. Evolution and Behavior