WorksheetsGene Expression
Total questions: 12
Worksheet time: 6mins
What is the sugar found in RNA?
Ribose
Glucose
Deoxyribose
Fructose
Which base is replaced by uracil in RNA
Adenine
Thymine
Cytosine
Guanine
Which enzyme is responsible for synthesizing RNA during transcription
DNA polymerase
Helicase
RNA Polymerase
Ligase
What is the purpose of the cap and tail added to mRNA after transcription?
To help mRNA leave the nucleus and protect it from degrading
To prevent translation
To enable DNA replication
To bind to RNA polymerase
What happens during the elongation phase of translation?
mRNA is produced
Amino acids are joined together to form a polypeptide
The ribosome reaches a stop codon
Introns are removed
How is tRNA involved in translation?
It carries the genetic code to the ribosome
It catalyzes peptide bond formation
It delivers the correct amino acids to the ribosome based on the mRNA codon
It assists in splicing exons and sewing the introns back together
What is the consequence of a nonsense mutation?
No change in the polypeptide
Change in one amino acid
Premature termination of the polypeptide chain
Addition of a new amino acid
what is the function of rRNA during translation
To deliver amino acids to the ribosome
To catalyze the formation of peptide bonds between amino acids
To transport mRNA out of the nucleus
To bind tRNA to mRNA
What does mRNA stand for?
Mobile RNA
Messenger RNA
Mitochondrial RNA
Matrix RNA
Which of the following is NOT a type of mutation?
Substitution
Deletion
Frameshift
Recombination
Which of the following is a post-transcriptional modification of RNA
Addition of a promoter
Removal of exons
Splicing of introns and exons
Conversion of RNA to DNA
