Plant phytochrome is an autophosphorylating

serine/threonine kinase that may phosphorylate

other proteins

TLS Online TPP Program

#Id: 3196

#Unit 4. Cell Communication and Cell Signaling

Mutations in three broad classes of genes play key roles in cancer induction: 

Proto-oncogenes genes
Tumor-suppressor genes
Genome maintenance genes

TLS Online TPP Program

#Id: 2339

#Unit 3. Fundamental Processes

Amino acid starvation leads to the binding of uncharged tRNAs to the ribosomal A site; this triggers a sequence of events that begins with the binding of an enzyme called stringent factor (RelA protein) to the ribosome. 

TLS Online TPP Program

#Id: 6771

#Unit 3. Fundamental Processes

nonstop-mediated decay rescues ribosomes that translate mRNAs that lack a stop codon. When an mRNA lacking a stop codon is translated, the ribosome translates through the poly-A tail This results 

TLS Online TPP Program

#Id: 172

#Unit 5. Developmental Biology

Combination of Pax6, Sox2, and L-Maf in the ectoderm is needed for the production of the lens and the activation of lens-specific genes i.e. δ-crystallin.

TLS Online TPP Program

#Id: 1059

#Unit 5. Developmental Biology

Tbx stands for “T-box,” a specific DNA-binding domain.