Unit 7: DNA duplication And Protein Synthesis Flashcards
1
Q
Topoisomerase
A
keeps DNA from uncoiling
2
Q
Semi-conservative
A
one new stand of DNA one original stand
3
Q
Promoter
A
where RNA polymerase attaches
4
Q
Coding strand
A
non template strand, same as mRNA
5
Q
Terminator
A
where DNA transcription ends
6
Q
Template strand
A
non-coding strand, what the mRNA strand is complimentary to
7
Q
tRNA
A
Where anti-codons attach to, ensures amino acids line up in the proper order
8
Q
Nonsense mutation
A
nucleotide is changed and codes for a stop codon
9
Q
DNA
A
Double helix, deoxyribose sugar
10
Q
Components of nucleotide
A
- 5 carbon shugar
- nitrogen base
- phosphate group
11
Q
RNA
A
Single strand
Ribose
Uracil
12
Q
Pyrimidine
A
- 1 rings
- T & C
13
Q
Purring
A
- 2 rings
- A & G
