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WorksheetsTranscription & Translation
Total questions: 15
Worksheet time: 22mins
Put the central dogma in the correct order:
(a) > (b) > (c)
What are the two main stages of protein synthesis?
Transcription and Translation
Replication and Transcription
Translation and Replication
Mitosis and Meiosis
What role does RNA polymerase play in transcription?
It synthesizes RNA from a DNA template.
It translates RNA into proteins.
It replicates DNA.
It degrades RNA molecules.
Where does transcription occur in the cell?
Nucleus
Cytoplasm
Ribosome
Mitochondria
What is the function of mRNA in protein synthesis?
To carry amino acids to the ribosome
To serve as a template for protein synthesis
To form the structure of ribosomes
To catalyze the formation of peptide bonds
How does mRNA differ from DNA in terms of structure?
mRNA is single-stranded while DNA is double-stranded.
mRNA contains thymine while DNA contains uracil.
mRNA is more stable than DNA.
mRNA has a deoxyribose sugar while DNA has a ribose sugar.
Codons are sequences of how many nucleotides that correspond to specific amino acids?
Two
Three
Four
Five
What is the role of tRNA during translation?
To carry amino acids to the ribosome
To synthesize proteins
To transcribe DNA
To replicate RNA
tRNA ensures that the correct amino acid is added to the growing polypeptide chain by:
Binding to the ribosome
Matching its anticodon with the mRNA codon
Carrying the amino acid to the nucleus
Transcribing DNA into RNA
What is the significance of start and stop codons in the translation process?
They mark the beginning and end of a protein-coding sequence.
They are involved in DNA replication.
They are responsible for splicing RNA.
They regulate gene expression.
The function of rRNA in the ribosome is:
To provide the structure and create the peptide bonds between amino acids
To carry amino acids to the ribosome
To transcribe DNA into mRNA
To transport mRNA out of the nucleus
Ribosomes facilitate the process of translation by:
Binding to mRNA and facilitating the assembly of amino acids into proteins
Breaking down mRNA into nucleotides
Transporting DNA out of the nucleus
Replicating DNA strands
What happens to the polypeptide chain after it is synthesized?
It is immediately degraded.
It folds into a specific three-dimensional shape.
It remains linear and inactive.
It is converted into RNA.
Match the following:
The location of protein production
Nucleus
Stores the genetic information of the cell.
Amino Acids
Monomer of a protein
Ribosome
Label the diagram
