Only 22 tRNAs are required for mitochondrial protein synthesis. The normal codon–anticodon pairing rules are relaxed in mitochondria, so that many tRNA molecules recognize any one of the four nucleotides in the third (wobble) position, allowing four codons to be recognized by a single tRNA.

TLS Online TPP Program

#Id: 7899

#XL - Q Biochemistry

Only 22 tRNAs are required for mitochondrial protein synthesis. The normal codon–anticodon pairing rules are relaxed in mitochondria, so that many tRNA molecules recognize any one of the four nucleotides in the third (wobble) position, allowing four codons to be recognized by a single tRNA.

TLS Online TPP Program

#Id: 8310

#XL - Q Biochemistry

TLS Online TPP Program

#Id: 4914

#XL - Q Biochemistry

TLS Online TPP Program

#Id: 4919

#XL - Q Biochemistry

Secondary plots for competitive inhibition.

TLS Online TPP Program

#Id: 4924

#XL - Q Biochemistry

TLS Online TPP Program

#Id: 4929

#XL - Q Biochemistry

Lineweaver-Burk plot showing the effect of uncompetitive inhibition; (b) the same, showing plots for several inhibitor concentrations at fixed enzyme concentration.

TLS Online TPP Program

#Id: 4932

#XL - Q Biochemistry

A non-competitive inhibitor can combine with an enzyme molecule to produce a dead-end complex.