TLS Online TPP Program

#Id: 7223

#Unit 5. Developmental Biology

Thymic selection The most distinctive property of the mature T cells is that they recognize only foreign antigen combined with self-MHC molecules.

TLS Online TPP Program

#Id: 9175

#Unit 11. Evolution and Behavior

Amount of change in allelic frequency due to migration

m= proportional of migratory individual in  recipient population

qI – frequency of allele in source population  

qII – frequency of allele in recipient population

TLS Online TPP Program

#Id: 4790

#Unit 5. Developmental Biology

If the P2 cell is killed at the early 4-cell stage, the ABp cell does not generate its normal complement of cells

TLS Online TPP Program

#Id: 7159

#Unit 5. Developmental Biology

Amphibian Gastrulation

TLS Online TPP Program

#Id: 1145

#Unit 7. System Physiology – Animal

Three cellular layers separate the blood from the glomerular filtrate in Bowman’s capsule: 

1. capillary endothelium

2. basement membrane

3. epithelium of the capsule