Podcast
Questions and Answers
What is the primary function of the enzyme DNA Ligase in DNA replication?
What is the primary function of the enzyme DNA Ligase in DNA replication?
- Unwinds the DNA double helix
- Adds phosphate to the phosphate-sugar backbone (correct)
- Adds complementary nucleotides to the DNA strand
- Attaches RNA primers to the replicating strands
What is the purpose of the telomeres at the ends of DNA strands?
What is the purpose of the telomeres at the ends of DNA strands?
- They are removed in every cycle of replication (correct)
- They inhibit the action of DNA Polymerase
- They contain coding DNA for protein synthesis
- They are the starting points for DNA replication
What is the role of RNA Primase in DNA replication?
What is the role of RNA Primase in DNA replication?
- To attach RNA primers to the replicating strands (correct)
- To add phosphate to the phosphate-sugar backbone
- To synthesize new DNA strands
- To unwind the DNA double helix
What is the process called when the DNA Polymerase reaches the end of the strands?
What is the process called when the DNA Polymerase reaches the end of the strands?
Which enzyme is responsible for removing wrong nucleotides during DNA replication?
Which enzyme is responsible for removing wrong nucleotides during DNA replication?
What is the initial step in the process of protein synthesis?
What is the initial step in the process of protein synthesis?
What is the role of the small subunit of a ribosome in the initiation of protein synthesis?
What is the role of the small subunit of a ribosome in the initiation of protein synthesis?
What happens when the small subunit associates with an mRNA molecule?
What happens when the small subunit associates with an mRNA molecule?
What is the role of the ribosome in the process of protein synthesis?
What is the role of the ribosome in the process of protein synthesis?
What is the result of the large subunit joining the small subunit?
What is the result of the large subunit joining the small subunit?
Where is the initial tRNA with attached amino acid located?
Where is the initial tRNA with attached amino acid located?
During translation elongation, what is the primary function of the A site?
During translation elongation, what is the primary function of the A site?
What triggers the release of the polypeptide chain from the ribosome?
What triggers the release of the polypeptide chain from the ribosome?
During translation elongation, what happens to the tRNA holding the growing polypeptide chain?
During translation elongation, what happens to the tRNA holding the growing polypeptide chain?
What occurs when the ribosome reaches a stop codon?
What occurs when the ribosome reaches a stop codon?
What is the result of peptide bond formation during translation elongation?
What is the result of peptide bond formation during translation elongation?
What is the role of the P site during translation elongation?
What is the role of the P site during translation elongation?
What is the primary function of the poly(A)-tail in mRNA processing?
What is the primary function of the poly(A)-tail in mRNA processing?
What is the term for the process of removing non-coding sequences from pre-mRNA?
What is the term for the process of removing non-coding sequences from pre-mRNA?
What is the structure that allows mRNA to exit the nucleus and enter the cytoplasm?
What is the structure that allows mRNA to exit the nucleus and enter the cytoplasm?
What is the term for the sequence of three nucleotides that code for an amino acid or a stop signal?
What is the term for the sequence of three nucleotides that code for an amino acid or a stop signal?
What is the process by which proteins are synthesized from mRNA?
What is the process by which proteins are synthesized from mRNA?
What is the term for the concept that genetic information flows from DNA to RNA to proteins?
What is the term for the concept that genetic information flows from DNA to RNA to proteins?
What does DNA sentence AACGTATCGCAT represent?
What does DNA sentence AACGTATCGCAT represent?
What role do the DNA triplets ATT, ATC, and ACT play in a DNA message?
What role do the DNA triplets ATT, ATC, and ACT play in a DNA message?
Analogous to a book, how is DNA organized?
Analogous to a book, how is DNA organized?
What is the role of mRNA in the genetic code message decoding process?
What is the role of mRNA in the genetic code message decoding process?
In the genetic code, what does a polypeptide chain represent?
In the genetic code, what does a polypeptide chain represent?
What does the genetic code emphasize due to the triplet nature of DNA language?
What does the genetic code emphasize due to the triplet nature of DNA language?
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