Quiz on Protein Synthesis

What is the primary function of mRNA during protein synthesis?

• Catalyzes the formation of peptide bonds

• Carries the genetic code from DNA to the ribosome

• Transports amino acids to the ribosome

• Forms the structure of ribosomes

Which organelle is the site of protein synthesis?

• Mitochondria

• Lysosome

• Ribosome

• Nucleus

Which molecule carries amino acids to the ribosome?

• rRNA

• tRNA

• mRNA

• DNA

What process involves the synthesis of RNA from a DNA template?

• Transcription

• Translation

• Replication

• Splicing

During translation, codons on mRNA are read in sets of how many nucleotides?

• 1

• 2

• 3

• 4

What is the start codon in most organisms?

• UGA

• UAG

• AUG

• UAA

Which enzyme is responsible for synthesizing mRNA during transcription?

• DNA polymerase

• RNA polymerase

• Helicase

• Ligase

In eukaryotic cells, where does transcription occur?

• Nucleus

• Cytoplasm

• Ribosome

• Golgi apparatus

Which of the following processes occurs at the ribosome?

• Translation

• Transcription

• Replication

• Splicing

What happens during the elongation stage of translation?

• mRNA is synthesized from DNA

• Amino acids are added one by one to the growing polypeptide chain

• mRNA attaches to the ribosome

• The protein detaches from the ribosome