Protein Synthesis Quiz

What is the first step of protein synthesis?

• Replication

• Translation

• Transcription

• Duplication

Where does transcription take place?

• Ribosome

• Cytoplasm

• Golgi apparatus

• Nucleus

What molecule is produced during transcription?

• DNA

• tRNA

• mRNA

• Protein

Which base replaces thymine in RNA?

• Cytosine

• Uracil

• Guanine

• Adenine

What is the process of converting RNA into a protein called?

• Transcription

• Duplication

• Translation

• Mutation

Where does translation occur?

• Nucleus

• Mitochondria

• Ribosome

• Endoplasmic reticulum

What is a codon?

• A three-base segment of DNA

• A protein signal

• A three-base segment of mRNA that codes for an amino acid

• An enzyme

What is the amino acid for the start codon AUG?

• Arginine

• Leucine

• Methionine

• Stop

Tags

NGSS.HS-LS1-1

Which of the following is a stop codon?

• AUG

• UGA

• GGG

• CCA

What role do proteins play in gene expression?

• They copy DNA

• They mutate RNA

• They express traits and functions

• They delete genes