Lect 3&4 Flashcards
1
Q
How many copies of the rRNA gene are there in the human genome?
A
200
2
Q
The combined error rate for DNA replication is roughly
A
1 in 10^9
3
Q
microRNA and siRNA act through which mechanism?
A
RNA interference
4
Q
Which nucleoside base is not found in DNA?
A
Uracil
5
Q
What is part of mRNAs processing?
A
Intron removal
RNA cap structure
Poly(A) tail
UTRs
6
Q
Cellular RNA synthesis:
A
Is also known as transcription
7
Q
Mature eukaryotic mRNA
A
has a poly(A) tail
8
Q
3D shapes of certain RNA molecules are:
A
Stable and functional
9
Q
What is the genetic code?
A
degenerate
10
Q
What is carried out by the ribozyme?
A
RNA splicing