Home
Flashcards
Preview
Translation
Home
Get App
Take Quiz
Create
Each nucleotide in an mRNA encodes 1 amino acid in a protein (T or F?).
True
False
False.
How many nucleotides are necessary to specific 1 single amino acid?
3
In principple, how many reading frames in RNA can potentially be translated into proteins?
3
What is NOT true about codons in mRNA molecules?
Some codons code for more than 1 amino acid.
Amino acids are attached by their tRNA molecules by...?
Aminoacyl-tRNA synthease
An RNA message is decoded by ____.
Ribosomes
At which end of an mRNA molecule do ribosomal subunits first bind?
5' end
Translation of an mRNA begins at the following start codon...
AUG
In eukaryotes, the initiator tRNA always carries which amino acid?
Methionine
Which part of a protein is synthesized by a ribosome first?
N -terminus
At which site does the charged initiator tRNA first bind on the ribosome?
P - site
At what site do ALL charged tRNAs (with the exception of the initiator tRNA) first bind on the ribosome?
A -site
Stop codons are recognized by a tRNA (T or F?).
True
False
False
What is a polyribosome?
a cluster of ribosomes translating the same mRNA, but positioned at different sites along the mRNA.
How do proteases act?
By hydrolyzing peptide bonds between amino acids in a protein.
Proteasomes act primarily on proteins tha thave been marked for destruction by the covalent attachment of which small protein?
Ubiquitin
Author
shelbymailho
ID
112297
Card Set
Translation
Description
Practice Questions
Updated
2011-10-26T07:18:15Z
Show Answers
Home
Flashcards
Preview