4.4 Study Guide Flashcards
1
Q
What is the role of mRNA?
A
Message for amino acid sequence.
2
Q
What is the role for tRNA?
A
Transfer amino acid, has anticodons, pairs with mRNA code.
3
Q
What is the role of rRNA?
A
Facilitates the matching of mRNA and tRNA, joins amino acids to synthesis protein.
4
Q
What are the posistives of gene regulation?
A
Increases genetic information.
5
Q
What are the negatives of gene regulation?
A
Diseases.
6
Q
What is silent mutation?
A
Changes the sequence.
7
Q
What is nonsense mutation?
A
changing A for U to make code stop.
8
Q
What is an insertion?
A
Inserts bases.
9
Q
What is deletion?
A
Deletes bases.
10
Q
What is a framshift?
A
A shift in the reading frame.
11
Q
What is the most harmful mutation?
A
The nonsense mutation.
12
Q
codons
A
3 letters of mRNA.
13
Q
Anticodons
A
3 bases complimentary to mRNA codons.
14
Q
Start codon.
A
AUG
15
Q
A
