Bio (Exam 4) Gene Expression: Translation Flashcards
Gene Expression: Translation Chapter
1
Q
Ingredients for Translation
hint: 3
A
- Ribosome
- mRNA strand
- aminoacyl-tRNA molecules
2
Q
Initiation
A
starts codon near 5’ end of mRNA strand
3
Q
Elongation
A
tRNA molecules add amino acids one by one to make a polypeptide
4
Q
Termination
A
polypeptide done and codons stop
5
Q
Where do polypeptides codons begin?
A
AUG = Meth
Methionine
6
Q
What is mutation
A
charge in nucleotide base of DNA sequence (like a gene)
7
Q
what can mutation do?
A
mutations (in DNA) may affect resulting proteins
8
Q
What are ribosomes in large subunit of translation?
hint: abbreviation
A
E P A
9
Q
What is the purpose of translation?
A
to release polypeptide