Podcast
Questions and Answers
Which of the following is NOT a required component for eukaryotic protein translation?
Which of the following is NOT a required component for eukaryotic protein translation?
- tRNA
- Plasma membrane (correct)
- Ribosomes
- Amino acids
During the initiation of translation in eukaryotes, which of the following steps occurs first?
During the initiation of translation in eukaryotes, which of the following steps occurs first?
- The 40S ribosomal subunit binds to the 5' cap of the mRNA
- The 40S and 60S ribosomal subunits assemble into a complete 80S ribosome
- The 60S ribosomal subunit binds to the mRNA
- The initiator tRNA (Met-tRNA) binds to the P-site of the 40S ribosomal subunit (correct)
Which of the following is NOT a function of the ribosomal subunits during protein synthesis?
Which of the following is NOT a function of the ribosomal subunits during protein synthesis?
- The 60S subunit provides a binding site for the mRNA (correct)
- The 40S subunit scans the mRNA for the start codon
- The 60S subunit contains the peptidyl transferase center
- The 40S subunit binds the initiator tRNA
During the elongation of translation, which of the following events occurs?
During the elongation of translation, which of the following events occurs?
Which of the following is a function of the endoplasmic reticulum (ER) in protein synthesis?
Which of the following is a function of the endoplasmic reticulum (ER) in protein synthesis?
During the termination of translation, which of the following events occurs?
During the termination of translation, which of the following events occurs?
Which amino acid enters the A site of the ribosome based on the mRNA code next to the AUG start codon?
Which amino acid enters the A site of the ribosome based on the mRNA code next to the AUG start codon?
What helps form the peptide bond between the first and second amino acid?
What helps form the peptide bond between the first and second amino acid?
What happens to the peptidyl tRNA (tRNA with the first 2 amino acids) during the translocation step?
What happens to the peptidyl tRNA (tRNA with the first 2 amino acids) during the translocation step?
What causes the newly synthesized protein to be released from the ribosomal complex during termination?
What causes the newly synthesized protein to be released from the ribosomal complex during termination?
What happens to many proteins after they are initially synthesized as large, precursor molecules?
What happens to many proteins after they are initially synthesized as large, precursor molecules?
What process is responsible for moving the ribosome to the next codon during translation?
What process is responsible for moving the ribosome to the next codon during translation?
What is the start codon for translation?
What is the start codon for translation?
What is the role of the genetic code during translation?
What is the role of the genetic code during translation?
Which type of mutation can cause an abrupt termination of protein synthesis?
Which type of mutation can cause an abrupt termination of protein synthesis?
What is the process of moving the ribosome along the mRNA during translation called?
What is the process of moving the ribosome along the mRNA during translation called?
What is the purpose of post-translational modifications?
What is the purpose of post-translational modifications?
What happens during the elongation step of translation?
What happens during the elongation step of translation?
