Podcast
Questions and Answers
During translation elongation, where does the next tRNA bind?
During translation elongation, where does the next tRNA bind?
- E site
- A site (correct)
- F site
- P site
What kind of bond is formed between the incoming amino acid and the end of the polypeptide chain on the tRNA in the P site?
What kind of bond is formed between the incoming amino acid and the end of the polypeptide chain on the tRNA in the P site?
- Peptide bond (correct)
- Glycosidic bond
- Disulfide bond
- Hydrogen bond
What is the role of translocation in translation elongation?
What is the role of translocation in translation elongation?
- Initiating translation
- Binding the stop codon
- Increasing the peptide chain length
- Moving the tRNA with the growing polypeptide chain into the P site (correct)
When the ribosome reaches the stop codons during translation termination, what binds to stimulate the release of the polypeptide chain?
When the ribosome reaches the stop codons during translation termination, what binds to stimulate the release of the polypeptide chain?
After the ribosome moves one codon down the mRNA during translation elongation, what happens to the tRNA from the A site?
After the ribosome moves one codon down the mRNA during translation elongation, what happens to the tRNA from the A site?
At the end of translation termination, what dissociates from the mRNA?
At the end of translation termination, what dissociates from the mRNA?
What is the primary function of the enzyme that attaches a chain of adenine nucleotides to the 3' end of the pre-mRNA?
What is the primary function of the enzyme that attaches a chain of adenine nucleotides to the 3' end of the pre-mRNA?
What is the term for the three-letter words read from the nucleotide sequence of the mRNA during translation?
What is the term for the three-letter words read from the nucleotide sequence of the mRNA during translation?
What is the purpose of the nuclear pore complex in mRNA transport?
What is the purpose of the nuclear pore complex in mRNA transport?
What is the term for the removal of non-coding sequences from the pre-mRNA?
What is the term for the removal of non-coding sequences from the pre-mRNA?
What is the primary function of the ribosome in protein synthesis?
What is the primary function of the ribosome in protein synthesis?
What is the central dogma of molecular biology?
What is the central dogma of molecular biology?
Where does the small subunit of a ribosome charged with a tRNA + the amino acid methionine typically attach when encountering an mRNA?
Where does the small subunit of a ribosome charged with a tRNA + the amino acid methionine typically attach when encountering an mRNA?
What occurs when the large subunit of the ribosome joins the small subunit during translation initiation?
What occurs when the large subunit of the ribosome joins the small subunit during translation initiation?
During elongation, what triggers the ribosome to move one triplet forward on the mRNA?
During elongation, what triggers the ribosome to move one triplet forward on the mRNA?
At what point is the initial tRNA with the attached amino acid positioned during the translation process?
At what point is the initial tRNA with the attached amino acid positioned during the translation process?
What happens once the two ribosomal subunits come together during translation initiation?
What happens once the two ribosomal subunits come together during translation initiation?
Where do both ribosomal subunits typically assemble at the start of translation?
Where do both ribosomal subunits typically assemble at the start of translation?
Which process involves the dissociation of the ribosome's large and small subunits?
Which process involves the dissociation of the ribosome's large and small subunits?
What can the small subunit of the ribosome be loaded with after dissociation?
What can the small subunit of the ribosome be loaded with after dissociation?
How do proteins usually achieve their active conformation after synthesis?
How do proteins usually achieve their active conformation after synthesis?
Where are proteins targeted to within the cell, according to the text?
Where are proteins targeted to within the cell, according to the text?
How many amino acids are used to build up a protein, based on the information provided?
How many amino acids are used to build up a protein, based on the information provided?
What do codons in the genetic code correspond to?
What do codons in the genetic code correspond to?
Which enzyme is responsible for uncoiling the double-stranded DNA during DNA replication?
Which enzyme is responsible for uncoiling the double-stranded DNA during DNA replication?
What was the main focus of the Meselson-Stahl experiment regarding DNA replication?
What was the main focus of the Meselson-Stahl experiment regarding DNA replication?
What concept was supported by the Meselson-Stahl experiment findings?
What concept was supported by the Meselson-Stahl experiment findings?
During which stage of DNA replication does the assembly of a replication fork occur?
During which stage of DNA replication does the assembly of a replication fork occur?
What is the function of DNA polymerase in DNA replication?
What is the function of DNA polymerase in DNA replication?
Which isotope was initially used in the growth medium of bacterial cells in the Meselson-Stahl experiment?
Which isotope was initially used in the growth medium of bacterial cells in the Meselson-Stahl experiment?
