GENE EXPRESSION III

Question 1

in activation acid
it involves the formation of
_______________

catalyzed by aminoacyl-tRNA synthetase

Answer 1

aminoacyl-tRNA complex

Question 2

characteristics of transfer RNA
it is an adapter molecule
_____________ - binds the amino acid
_____________ - recognizes the codon in mRNA
_____________ - peptidyl transferase
_____________ - large ribosomal subunit

Answer 2

amino acid arm
anticodon arm
enzyme recognition site
ribosome attachment site

Question 3

E. Coli ribosomal structure

translating of codon of ____ is from 5-3 direction

Answer 3

mRNA

Question 4

E. Coli ribosomal structure

_________- amino acid is the 1st part of protein to be formed

Answer 4

N-terminal amino acid

Question 5

Elongation of polypeptide chain
1.Binding of incoming aminoacyl t-RNA complex

attaches to ___ site
requires __________ factors and GTP
inhibited by ________

Answer 5

A site
elongation factors
tetracycline

Question 6

Elongation of polypeptide chain
2.peptide bond formation

catalyzed by _________ transferase
enzyme is inhibited by ______

Answer 6

peptidyl transferase
chloramphenicol