Podcast
Questions and Answers
What is the main function of DNA ligase in DNA synthesis?
What is the main function of DNA ligase in DNA synthesis?
- Adds nucleotides to the growing DNA strand
- Separates the double helix for replication
- Seals the single-strand nick between the nascent chain and Okazaki fragments (correct)
- Initiates the replication process
What is the function of methylation of histones in gene expression?
What is the function of methylation of histones in gene expression?
- Activates gene expression
- Initiates transcription
- Mutes gene expression (correct)
- Promotes translation
Which type of RNA is involved in linking mRNA codons to corresponding amino acids?
Which type of RNA is involved in linking mRNA codons to corresponding amino acids?
- Messenger RNA (mRNA)
- Ribosomal RNA (rRNA)
- Micro RNA (miRNA)
- Transfer RNA (tRNA) (correct)
In which phase of the cell cycle does DNA synthesis occur?
In which phase of the cell cycle does DNA synthesis occur?
What is the main function of micro RNA (miRNA) in gene regulation?
What is the main function of micro RNA (miRNA) in gene regulation?
Which type of cells contain 40S and 60S ribosomal subunits?
Which type of cells contain 40S and 60S ribosomal subunits?
Which enzyme is responsible for initiating the synthesis of RNA primers during replication?
Which enzyme is responsible for initiating the synthesis of RNA primers during replication?
What is the main function of helicases in the replication process?
What is the main function of helicases in the replication process?
What role do single-strand binding proteins (SSBs) play in DNA replication?
What role do single-strand binding proteins (SSBs) play in DNA replication?
Which class of proteins is involved in deoxynucleotide polymerization during DNA replication?
Which class of proteins is involved in deoxynucleotide polymerization during DNA replication?
What is the purpose of topoisomerase in DNA replication?
What is the purpose of topoisomerase in DNA replication?
Which step involves the identification of the origins of replication in eukaryotic DNA?
Which step involves the identification of the origins of replication in eukaryotic DNA?