Podcast
Questions and Answers
Which phase of the cell cycle does DNA replication occur?
Which phase of the cell cycle does DNA replication occur?
- S phase (correct)
- G2 phase
- M phase
- G1 phase
What is the first step in the basic flow of DNA Replication?
What is the first step in the basic flow of DNA Replication?
- Sugar-phosphate backbones close
- Hydrogen bonds break
- Parental strands unwind and separate
- Parent DNA molecule (correct)
Which DNA replication model conserves half of the original double helix in each new DNA molecule?
Which DNA replication model conserves half of the original double helix in each new DNA molecule?
- Semiconservative model (correct)
- Conservative model
- Dispersive model
- None of the above
What breaks to allow the separation of base pairs during DNA replication?
What breaks to allow the separation of base pairs during DNA replication?
When must the parental cell duplicate its entire genome in preparation for cell division?
When must the parental cell duplicate its entire genome in preparation for cell division?
Which enzymes are responsible for binding nucleotides to form new DNA strands in DNA replication?
Which enzymes are responsible for binding nucleotides to form new DNA strands in DNA replication?
What is the function of helicase in DNA replication?
What is the function of helicase in DNA replication?
How many phases can DNA replication be divided into?
How many phases can DNA replication be divided into?
What are the sites at which single-stranded DNA is exposed during DNA replication?
What are the sites at which single-stranded DNA is exposed during DNA replication?
In DNA replication, what does primase do?
In DNA replication, what does primase do?
What did Matthew Meselson and Franklin Stahl rule out regarding DNA replication mechanisms?
What did Matthew Meselson and Franklin Stahl rule out regarding DNA replication mechanisms?
What is the process of copying DNA information into RNA known as?
What is the process of copying DNA information into RNA known as?
Which of the following is NOT a step in gene expression?
Which of the following is NOT a step in gene expression?
What replaces Thymine (T) in RNA sequences?
What replaces Thymine (T) in RNA sequences?
Which strand of DNA is used as a template for RNA synthesis?
Which strand of DNA is used as a template for RNA synthesis?
What initiates transcription at specific sites on chromosomes?
What initiates transcription at specific sites on chromosomes?
Which strand of DNA is the complement of the RNA that is produced?
Which strand of DNA is the complement of the RNA that is produced?
