Quiz on mRNA Processing

Quiz
•
Science
•
9th Grade
•
Hard

Rebecca Boss
Used 12+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to mRNA at the end of transcription before it leaves the nucleus?
It is translated into protein.
Introns are removed, and exons are spliced together.
It is degraded by enzymes.
It is converted into DNA.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of exons in mRNA?
They are noncoding regions.
They are coding regions for proteins.
They are involved in DNA replication.
They are responsible for mRNA degradation.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of tRNA during the process of translation?
It brings amino acids to the ribosomes.
It carries the genetic code from DNA.
It forms the structure of ribosomes.
It synthesizes mRNA.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where do matching anticodons on tRNA molecules bind during translation?
P site
E site
A site
mRNA binding site
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to tRNA after its amino acid is dropped off?
It moves to the P site.
It moves to the E site and leaves.
It stays in the A site.
It is degraded immediately.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When does the process of translation stop?
When a start codon is reached.
When a stop codon is reached.
When the ribosome is full.
When all tRNA molecules are used.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens once the stop codon is reached in protein synthesis?
The amino acid chain is released and folded.
The amino acid chain is destroyed.
The amino acid chain is duplicated.
The amino acid chain is shortened.
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