Podcast
Questions and Answers
Which tRNA is used as the initiator tRNA in protein synthesis?
Which tRNA is used as the initiator tRNA in protein synthesis?
- A tRNA that recognizes the start codon
- The same tRNA used to add methionine elsewhere in the protein (correct)
- A tRNA that recognizes the stop codon
- A different tRNA carrying a different amino acid
Where is the initiator tRNA added in the ribosome?
Where is the initiator tRNA added in the ribosome?
- The E-site
- The A-site
- The P-site (correct)
- The large subunit
What are eukaryotic initiator factors (eIFs)?
What are eukaryotic initiator factors (eIFs)?
- Proteins that aid in the elongation phase of protein synthesis
- Proteins that recognize the stop codon
- Proteins that recognize the 3' region of mRNA
- Proteins that aid in the initiation phase of protein synthesis (correct)
Which region of the mRNA do eukaryotic initiator factors (eIFs) recognize?
Which region of the mRNA do eukaryotic initiator factors (eIFs) recognize?
When do eukaryotic initiator factors (eIFs) dissociate from the small subunit of the ribosome?
When do eukaryotic initiator factors (eIFs) dissociate from the small subunit of the ribosome?
Where is the initiator tRNA added in the ribosome?
Where is the initiator tRNA added in the ribosome?
Which of the following statements is true about the termination of translation?
Which of the following statements is true about the termination of translation?
What is the role of release factors in translation termination?
What is the role of release factors in translation termination?
What happens when peptidyl transferase in the ribosome catalyzes the addition of H2O to peptidyl-tRNA?
What happens when peptidyl transferase in the ribosome catalyzes the addition of H2O to peptidyl-tRNA?
Which of the following is true about ribosomes in eukaryotic cells?
Which of the following is true about ribosomes in eukaryotic cells?
How many ribosomes can proceed along the length of a mRNA at any time?
How many ribosomes can proceed along the length of a mRNA at any time?
Which one of these is true about ribosomes in eukaryotic cells?
Which one of these is true about ribosomes in eukaryotic cells?
Which one of these is true about the differences between RNA and DNA sugars?
Which one of these is true about the differences between RNA and DNA sugars?
Which one of these is true about the bases found in both RNA and DNA?
Which one of these is true about the bases found in both RNA and DNA?
Which one of these is true about the base pairing in DNA?
Which one of these is true about the base pairing in DNA?
Which enzyme forms phosphodiester bonds between neighboring nucleotides in RNA synthesis?
Which enzyme forms phosphodiester bonds between neighboring nucleotides in RNA synthesis?
What is the direction of DNA transcription by RNA polymerase?
What is the direction of DNA transcription by RNA polymerase?
What are the substrates used by RNA polymerase during transcription?
What are the substrates used by RNA polymerase during transcription?
Which enzyme is more accurate in synthesizing nucleic acids?
Which enzyme is more accurate in synthesizing nucleic acids?
What is the role of RNA polymerase in transcription?
What is the role of RNA polymerase in transcription?
How does RNA polymerase initiate an RNA chain?
How does RNA polymerase initiate an RNA chain?
Which type of cells have RNA polymerase II that transcribes genes encoding for proteins?
Which type of cells have RNA polymerase II that transcribes genes encoding for proteins?
What does RNA polymerase II transcribe in eukaryotic cells?
What does RNA polymerase II transcribe in eukaryotic cells?
What is the main difference between the transcription process in prokaryotic cells and eukaryotic cells?
What is the main difference between the transcription process in prokaryotic cells and eukaryotic cells?
Which of the following is a function of general transcription factors in transcription?
Which of the following is a function of general transcription factors in transcription?
Which proteins are required by RNA polymerase II to facilitate transcription?
Which proteins are required by RNA polymerase II to facilitate transcription?
Which type of mutation results in the addition or deletion of a single amino acid?
Which type of mutation results in the addition or deletion of a single amino acid?
Which component of translation is responsible for matching tRNA molecules to codons in mRNA?
Which component of translation is responsible for matching tRNA molecules to codons in mRNA?
Which position of the codon-anticodon pairing is the wobble position?
Which position of the codon-anticodon pairing is the wobble position?
What is the role of aminoacyl-tRNA synthetases in translation?
What is the role of aminoacyl-tRNA synthetases in translation?
Which of the following is true about the TATA box in eukaryotic promoters?
Which of the following is true about the TATA box in eukaryotic promoters?
Which of the following is true about RNA splicing?
Which of the following is true about RNA splicing?
What is the role of the poly-A tail in mRNA?
What is the role of the poly-A tail in mRNA?
Which of the following is true about the genetic code?
Which of the following is true about the genetic code?
Which of the following is true about the TATA box in eukaryotic promoters?
Which of the following is true about the TATA box in eukaryotic promoters?
What is the role of transcriptional activators/repressors in gene expression?
What is the role of transcriptional activators/repressors in gene expression?
Which of the following is true about RNA splicing?
Which of the following is true about RNA splicing?
What is the role of the poly-A tail in mRNA?
What is the role of the poly-A tail in mRNA?
Which of the following is true about frame shift mutations?
Which of the following is true about frame shift mutations?
Which of the following is true about point mutations?
Which of the following is true about point mutations?
What is the role of tRNA in translation?
What is the role of tRNA in translation?
What is the function of ribosomes in translation?
What is the function of ribosomes in translation?
Which of the following is true about the TATA box in eukaryotic promoters?
Which of the following is true about the TATA box in eukaryotic promoters?
Which of the following is true about RNA splicing?
Which of the following is true about RNA splicing?
What is the role of the poly-A tail in mRNA?
What is the role of the poly-A tail in mRNA?
Which of the following is true about the genetic code?
Which of the following is true about the genetic code?
Which of the following is true about frame shift mutations?
Which of the following is true about frame shift mutations?
Which of the following is true about point mutations?
Which of the following is true about point mutations?
Which of the following is true about tRNA?
Which of the following is true about tRNA?
Which of the following is true about ribosomes?
Which of the following is true about ribosomes?
