Chapter 9 -1 Flashcards
(10 cards)
1
Q
What is the central flow of info?
A
DNA->RNA->Protein
2
Q
What does RNA contain?
A
single polynucleotide strand
ribose sugar
uracil instead of thymine
3
Q
What works as a disposable gene?
A
RNA
4
Q
What are the three types of RNA?
A
mRNA
tRNA
rRNA
5
Q
What are the 2 steps DNA takes to become a protein?
A
Transcription & Translation
6
Q
What is transcription?
A
gene is copied into a mRNA
7
Q
What is translation?
A
mRNA is translated into a protein
8
Q
What does transcription produce?
A
a single strand of mRNA containing the gene info
9
Q
What does RNA polymerase add?
A
free complementary ribonucleotides to one DNA template strand
10
Q
What does the initiation of transcription begin with?
A
RNA polymerase
