Gene Expression
Authored by Lisa Thompson
Science
9th Grade
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15 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
The protein that performs RNA splicing by removing introns and connecting exons is called a(n) (a) .
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is characteristic of the product of the p53 gene?
It is an activator for other genes.
It speeds up the cell cycle.
It causes cell death via apoptosis.
It allows cells to pass on mutations due to DNA damage.
It slows down the rate of DNA replication by interfering with the binding of DNA polymerase.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Attachment of ______ groups to ______ will cause promotion of gene expression due to looser DNA.
acetyl, DNA
methyl, DNA
acetyl, histones
methyl, histones
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
The noncoding sequence of DNA located within the promoter where RNA polymerase will bind is called the (a) .
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
All of the following occur before mature RNA is formed except:
Addition of a poly-A tail
Addition of a 3' cap
Addition of a release factor
Removal of introns
Alternative splicing
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
The sequence of nucleotides complementary to one located on mRNA that is carried by tRNA towards the translation site is called a(n):
(a)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The function of siRNAs is to:
play a role in RNAi
contribute to euchromatin formation
degrade mature RNA
contribute to forming mutations in the promoter sequence
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