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TLS Online TPP Program

#Id: 7743

A covalent radius is one-half the distance between the nuclei of two identical atoms.



#Section 2: General Biology #Structure of atoms #Part B Pointers
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TLS Online TPP Program

#Id: 10377

#Section 2: General Biology

TLS Online TPP Program

#Id: 10378

#Section 2: General Biology

Codominant Expression
TLS Online TPP Program

#Id: 10379

#Section 2: General Biology

TLS Online TPP Program

#Id: 10380

#Section 2: General Biology

IFN- ¥ has been shown to induce expression of the class II transcriptional activator (CIITA). 
TLS Online TPP Program

#Id: 10381

#Section 2: General Biology

IL-4 increases expression of class II molecules in resting B cells, turning them into more efficient APCs.
TLS Online TPP Program

#Id: 10382

#Section 2: General Biology

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