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Cell Biology
Learn the toughest concepts covered in Cell Biology with step-by-step video tutorials and practice problems by world-class tutors
7. Gene Expression
Post-Transcriptional Regulators
1
concept
RNA Regulation
3m
Play a video:
2
concept
RNA Interference
5m
Play a video:
3
concept
Protein Regulation
2m
Play a video:
4
Problem
Choose all of the following post-transcriptional regulators of gene expression.
A
Micro RNAs
B
siRNAs
C
RNA Polymerase Degradation
D
Exosomes
5
Problem
When the siRNA interacts with RISC for the first time it is single stranded.
A
True
B
False
6
Problem
What is the name of the enzyme that cleaves the miRNA in the nucleus before it travels to the cytoplasm to exert its effects?
A
RISC
B
Argonaut
C
DROSHA
D
RNA Polymerase
7
Problem
What is the name of the region on a protein that controls its degradation over time?
A
Degradation sequences
B
Ubiquitin
C
Ubiquitin binding site
D
Degron
8
Problem
All non-coding RNAs are responsible for regulating gene expression.
A
True
B
False