TLS Online TPP Program

#Id: 3600

#Unit 3. Fundamental Processes

All the amino acids except methionine and tryptophan have more than one codon.

TLS Online TPP Program

#Id: 3868

#Unit 5. Developmental Biology

In prespore cells, PKA activation occurs by signalling cascade that is activated by SDF-3, which triggers the synthesis of GABA

TLS Online TPP Program

#Id: 1465

#Unit 4. Cell Communication and Cell Signaling

Three classes of classical cadherins: 

E-cadherin -present on many types of epithelial cells

N-cadherin - present on nerve, muscle and lens cells

P-cadherin - present on cells in the placenta & epidermis

TLS Online TPP Program

#Id: 1767

#Unit 4. Cell Communication and Cell Signaling

Tolerogens- Antigens that induce tolerance

TLS Online TPP Program

#Id: 6884

#Unit 3. Fundamental Processes

The DNA of the inactive X also becomes methylated at most of its CpG island promoters. Specialized histone octamers in which histone H2A is replaced by a paralog of H2A called macroH2A also become associated with the inactive X.