Nicking is followed by the action of a specific helicase (UvrD) and one of three exonucleases.

TLS Online TPP Program

#Id: 3662

#Unit 3. Fundamental Processes

Pyl is specified by the codon UAG (normally a Stop codon).

TLS Online TPP Program

#Id: 3663

#Unit 3. Fundamental Processes

The Wobble Base of the Anticodon Determines the Number of Codons a tRNA Can Recognize.

TLS Online TPP Program

#Id: 3664

#Unit 3. Fundamental Processes

Ribosomes are large ribonucleoprotein particles that contain more RNA than protein and dissociate into large and small subunits.

TLS Online TPP Program

#Id: 3665

#Unit 3. Fundamental Processes

Size comparisons show that the ribosome is large enough to bind tRNAs and mRNA.

TLS Online TPP Program

#Id: 3666

#Unit 3. Fundamental Processes

Aminoacyl-tRNA Formation Is Very Accurate, the frequency of mischarging is very low; typically, less than 1 in 1000 tRNAs is charged with the incorrect amino acid.

TLS Online TPP Program

#Id: 3667

#Unit 3. Fundamental Processes

Valyl-tRNA synthetase can sterically exclude isoleucine from its catalytic pocket because isoleucine is larger than valine.