Bio 141 Notes (5/1/14) Flashcards
1
Q
DNA Ligase
A
connects backbone to single strands
2
Q
Transciption
A
coping DNA into RNA
starts at promoter
3
Q
RNA Polymerase
A
- RNA transcript is generated at an unwound stretch of DNA
- RNA nucleotides incorporated are complementary to the template
- DNA strands rejoin
- termination side
4
Q
Exon
A
kept codes for protein
become part of final mRNA
5
Q
Intron
A
removed
“in the way”
don’t encode info
6
Q
G-‘cap’
A
- modified GTP
- facilitates translation
7
Q
Poly-A ‘tail’
A
encodes export from nucleus
8
Q
Translation
A
changing ‘languages’ from DNA/RNA to protein
9
Q
Codons
A
RNA is translated into proteins via
10
Q
Start Codon
A
every new protein begins with it
