Structure Of Ribosomes Flashcards
1
Q
The ribosomal subunit is what
A
Couples of rRNA and proteins
2
Q
Large and small subunits are only joined when
A
When attached to a mRNA
3
Q
What is the most abundant type of cellular RNA
A
rRNA
4
Q
Name the 3 mRNA binding sites in the large sub unit from left to right
A
E P A
5
Q
What does site E
A
Exit site
6
Q
What does site A
A
Aminoacyl tRNA binding site, holds the next tRNA
7
Q
What does site P
A
Peptidyl tRNA site, holds the tRNA with current peptide chain
8
Q
The new amino acid is added to what end of the growing peptide
A
Carboxyl end of the growing peptide - C Terminus
9
Q
The large subunit catalyses what
A
Formation of peptide bond
10
Q
Ribosomal sub units are made where
A
Nucleolus in eukaryotes
