Richard hypothesis 

            

TLS Online TPP Program

#Id: 5550

#Unit 7. System Physiology – Animal

The second half of the distal tubule and the subsequent cortical collecting tubule have two distinct cell types:  principal cells and intercalated cells

TLS Online TPP Program

#Id: 10294

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 446

#Unit 2. Cellular Organization

Linker DNA comprises the rest of the repeating unit. Its length varies from as little as 8 bp to as many as 114 bp per nucleosome.

TLS Online TPP Program

#Id: 8700

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 10382

#Unit 4. Cell Communication and Cell Signaling

Expression of class II molecules by B cells is down-regulated by IFN-¥.