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WorksheetsRNA processing/Translation
Total questions: 20
Worksheet time: 13mins
What is the correct order for the following events that occur during protein synthesis?
B,E,A,C,D
B,A,E,C,D
D,A,E,C,B
C,B,A,E,D
What are the three main types of RNA involved in gene expression? (check 3)
iRNA
mRNA
tRNA
rRNA
During _____________ the mRNA transcript is edited (introns are removed and exons are spliced together to make the final, functional mRNA).
RNA processing
Transcription
Translation
When mRNA processing occurs, _____________ are removed and ________________ are spliced together to form the final mRNA molecule
introns; exons
exons; introns
In transcription, which direction is DNA read?
3' to 5’
5' to 3’
C terminus to N terminus
N terminus to C terminus
What is the function of the
poly A tail?
Binds to the promoter region
Decrease degradation by hydrolytic enzymes
Remove noncoding information
Site of ribosome binding
The process of modification of pre mRNA is known as___________
Replication
DNA repair
Translation
RNA processing
What is the main function of t-RNA?
Proof reading
Inhibits protein synthesis
Identifies amino acids and transport them to ribosomes
None of the mentioned
Transfers and brings amino acids to ribosomes during protein synthesis
messenger RNA (mRNA)
ribosomal RNA (rRNA)
transfer RNA (tRNA)
RNA Polymerase
Set of three nucleotides in a tRNA molecule that binds to a complementary mRNA codon during translation
Anti-codon
Codon
Amino acid
Bases
An enzyme which cuts out portions of mRNA that are not needed.
Intron
Exon
Protective End
Spliceosome
What are introns?
Sequences of nucleotides that are removed to form mature RNA in eukaryotes
Sequences of nucleotides that are removed to form mature RNA in prokaryotes
Sequences that remain in mature RNA after exons have been removed
Small pieces of circular DNA that are found in prokaryotes
What does post-transcriptional modification of eukaryotic mRNA include?
I. Introns are removed from mRNA.
II. Exons are joined together to form mature mRNA.
III. A 5' cap and 3' poly-A tail are added to mRNA.
I only
I and III only
II and III only
I, II and III
The sequence of DNA that serves as the attachment point for RNA polymerase is called what?
promoter
enhancer
inducer
terminator
