Lecture 17 Flashcards
1
Q
Which strand is copied?
A
template strand
2
Q
What are called the mRNA base triplets?
A
codons
3
Q
A cell translates an mRNA message into protein with the help of..
A
transfer RNA (tRNA)
4
Q
Each tRNA have…
A
- specific amino acid on one end and the anticodon on the other end
5
Q
What are the two steps of translation?
A
- correct match between tRNA and amino acid
2. correct match between tRNA anticodon and mRNA codon
6
Q
What are the 3 stages of translation?
A
initiation (a) elongation (p) and termination (E)
7
Q
synthesizes protein that function in the cytosol
A
free ribosomes
8
Q
synthesize proteins of endomembrane system and proteins that are secreted from cell
A
bound ribosomes
9
Q
Changes in genetic material of a cell
A
mutations
10
Q
changes in just one base pair of a gene
A
point mutations
