Download How many nucleotides are in 12 mRNA codons?

1
Created by Boundless
How many nucleotides are in 12 mRNA codons?
A
24
B
36
C
12
D
48
2
Created by Boundless
A particular DNA sequence reads TCGAGGTCACCG. A mutation occurs in which
the first "A" in the sequence is deleted. What will happen to the protein produced?
A
The first amino acid will be correct, but every amino acid
after that will be wrong.
B
The first two amino acids will be wrong, but the third and
fourth amino acids will be correct.
C
The first, third, and fourth amino acids will be correct, but
the second amino acid will be wrong.
D
The first amino acid will be wrong, but the last three will be
correct.
3
Created by Boundless
Transcription begins in a region where the DNA helix is partially unwound. What is
this region of unwinding called?
A
DNA plasmid
B
Transcription bubble
C
Template strand
D
Genetic code
4
Created by Boundless
Where is a promoter located relative to the initiation site?
A
Downwind of the initiation site
B
Downstream of the initiation site
C
Upstream of the initiation site
D
Upwind of the initiation site
5
Created by Boundless
Transcription termination is caused by:
A
40 nucleotides.
B
the transcription bubble.
C
the rho protein or a stable hairpin.
D
RNA polymerase.
6
Created by Boundless
Transcription elongation begins:
A
when a stable hairpin forms.
B
when translation ends.
C
when RNA polymerase collides with the rho protein.
D
when the RNA polymerase σ subunit dissociates.