Protein Synthesis

What is the role of proteins in the body?

• Transportation

• Structure

• Enzymes

• All of the above

Where is DNA located in the cell?

• Nucleus

• Cytoplasm

• Ribosome

• Mitochondria

What is the first step in protein synthesis?

• Transcription

• Translation

• Replication

• Mutation

What is the function of RNA polymerase in transcription?

• Connects complementary RNA bases to DNA

• Builds ribosomes

• Edits mRNA

• Transfers amino acids

Where does translation occur in the cell?

• Nucleus

• Cytoplasm

• Ribosome

• Mitochondria

What is the role of tRNA in protein synthesis?

• Carries amino acids

• Builds ribosomes

• Edits mRNA

• Transfers DNA bases

What is a codon?

• A sequence of three DNA bases

• A sequence of three RNA bases

• A sequence of three amino acids

• A sequence of three tRNA molecules

What is the start codon in protein synthesis?

• AUG

• CCA

• UAC

• GGU

What happens when a ribosome reaches a stop codon?

• Protein folding occurs

• Protein modification occurs

• Protein building is finished

• Protein is transported

What is the ultimate director of protein building?

• mRNA

• rRNA

• tRNA

• DNA