Ctr & Dynamics Of Translation Flashcards
0
Q
How are peptides bond formed?
A
Nucleophilic attack on a carbonyl group of the a.a on the P site. The polypeptide chain breaks and it joins the amino group of the amino acid in the tran of the A-site.
1
Q
Difference between prokaryote and eukaryotes ribosomes ?
A
Prokaryotes: 30s & 50s subunits+ rRNA
Eukaryotes: 40s & 60s subunits + rRNA.
2
Q
What are the stop codons?
A
UAA
UAG
UGA
3
Q
Difference between tRNA vs. tRNAi?
A
—-?
4
Q
Why is initiation in translation the este limiting step ?
A
.?.
5
Q
Hoe is GTP involved in the process of translation ?
A
- In prokaryotes GTP is used by initiation factors.
- In eukaryotes GTP by elongation factors and release factors.
