Podcast
Questions and Answers
What does the Central Dogma of molecular biology represent?
What does the Central Dogma of molecular biology represent?
- The backward flow of information from Proteins to RNA to DNA
- The one-time flow of information from RNA to DNA only
- The random flow of information between different molecules
- The flow of information from DNA to RNA to Proteins (correct)
What are genes?
What are genes?
- RNA sequences that encode lipids
- Amino acids that make up proteins
- DNA sequences that encode proteins (correct)
- Enzymes responsible for DNA replication
Which enzyme is used by retroviruses to make DNA from RNA?
Which enzyme is used by retroviruses to make DNA from RNA?
- Helicase
- Reverse transcriptase (correct)
- Polymerase
- Ligase
What do the four letters (A,T,G,C) represent in the genetic code?
What do the four letters (A,T,G,C) represent in the genetic code?
What is a CODON?
What is a CODON?
How does the genetic code with only 4 bases translate into 20 possible amino acids?
How does the genetic code with only 4 bases translate into 20 possible amino acids?
How many amino acids could be sequenced if each base coded for one amino acid?
How many amino acids could be sequenced if each base coded for one amino acid?
Why is using pairs of bases insufficient to code for amino acids?
Why is using pairs of bases insufficient to code for amino acids?
How many combinations are possible when using 3 bases to code for each amino acid?
How many combinations are possible when using 3 bases to code for each amino acid?
What enzyme is responsible for unwinding and opening the DNA strands during replication?
What enzyme is responsible for unwinding and opening the DNA strands during replication?
Where do helicases act during the DNA replication process?
Where do helicases act during the DNA replication process?
What provides the chemical energy required for DNA replication?
What provides the chemical energy required for DNA replication?
What is the role of a primer in DNA replication?
What is the role of a primer in DNA replication?
Which enzyme catalyzes the elongation of new DNA strands in prokaryotes during DNA replication?
Which enzyme catalyzes the elongation of new DNA strands in prokaryotes during DNA replication?
What is the name given to the daughter strand that grows continuously from 5' to 3' during DNA replication?
What is the name given to the daughter strand that grows continuously from 5' to 3' during DNA replication?
What is the function of DNA polymerase III in DNA replication?
What is the function of DNA polymerase III in DNA replication?
Why is a primer necessary in DNA replication?
Why is a primer necessary in DNA replication?
What happens at the 3' end of the leading strand during DNA replication?
What happens at the 3' end of the leading strand during DNA replication?
What is the main reason for using 3 bases to code for each amino acid in the genetic code?
What is the main reason for using 3 bases to code for each amino acid in the genetic code?
In DNA replication, which enzyme is responsible for bringing substrates to the DNA strand template?
In DNA replication, which enzyme is responsible for bringing substrates to the DNA strand template?
What is the role of helicases in DNA replication?
What is the role of helicases in DNA replication?
Which of the following provides the chemical energy required for DNA replication?
Which of the following provides the chemical energy required for DNA replication?
What is the term used to describe the points where new DNA strands grow in both directions during DNA replication?
What is the term used to describe the points where new DNA strands grow in both directions during DNA replication?
Why would using pairs of bases be insufficient to code for amino acids in the genetic code?
Why would using pairs of bases be insufficient to code for amino acids in the genetic code?
What is meant by the term 'Central Dogma' in molecular biology?
What is meant by the term 'Central Dogma' in molecular biology?
What is the function of reverse transcriptase in retroviruses?
What is the function of reverse transcriptase in retroviruses?
How is gene expression related to DNA and proteins?
How is gene expression related to DNA and proteins?
What is the function of a primer in DNA replication?
What is the function of a primer in DNA replication?
Which enzyme catalyzes the elongation of the leading strand during DNA replication in prokaryotes?
Which enzyme catalyzes the elongation of the leading strand during DNA replication in prokaryotes?
Why is the genetic code written in 3-letter words (codons) instead of single letters?
Why is the genetic code written in 3-letter words (codons) instead of single letters?
What is the role of DNA Polymerase III during DNA replication?
What is the role of DNA Polymerase III during DNA replication?
How are the 4 bases (A, T, G, C) in DNA translated into sequences of amino acids?
How are the 4 bases (A, T, G, C) in DNA translated into sequences of amino acids?
Which strand of a daughter DNA molecule grows continuously from 5' to 3' during DNA replication?
Which strand of a daughter DNA molecule grows continuously from 5' to 3' during DNA replication?
What does the term 'codon' refer to in molecular biology?
What does the term 'codon' refer to in molecular biology?
Why does the lagging strand need to direct 5' to 3' synthesis during DNA replication?
Why does the lagging strand need to direct 5' to 3' synthesis during DNA replication?
What is the main function of a primer in DNA replication?
What is the main function of a primer in DNA replication?
The Central Dogma of molecular biology states that DNA is used to create actual objects like enzymes and structural proteins.
The Central Dogma of molecular biology states that DNA is used to create actual objects like enzymes and structural proteins.
Genes are DNA sequences that encode lipids.
Genes are DNA sequences that encode lipids.
The genetic code is written in 2-letter words, with each coding for a particular amino acid.
The genetic code is written in 2-letter words, with each coding for a particular amino acid.
There are 5 letters in the genetic code alphabet (A, T, G, C, U).
There are 5 letters in the genetic code alphabet (A, T, G, C, U).
The Central Dogma represents the process by which genetic information is passed from parents to offspring.
The Central Dogma represents the process by which genetic information is passed from parents to offspring.
A codon consists of 4 nucleotide letters.
A codon consists of 4 nucleotide letters.
The PRIMER needed to start a new DNA strand is made of RNA.
The PRIMER needed to start a new DNA strand is made of RNA.
DNA Polymerase III catalyzes elongation of new DNA strands in eukaryotes.
DNA Polymerase III catalyzes elongation of new DNA strands in eukaryotes.
The LEADING STRAND grows from 3' to 5' during DNA replication.
The LEADING STRAND grows from 3' to 5' during DNA replication.
The LAGGING STRAND is parallel to the LEADING STRAND during DNA replication.
The LAGGING STRAND is parallel to the LEADING STRAND during DNA replication.
DNA nucleotides are added to the 5' end of the chain during DNA replication.
DNA nucleotides are added to the 5' end of the chain during DNA replication.
PRIMASES are responsible for forming Primers during DNA Replication.
PRIMASES are responsible for forming Primers during DNA Replication.
Using 4 bases to code for amino acids would result in 16 possible combinations.
Using 4 bases to code for amino acids would result in 16 possible combinations.
Pairing bases to code for amino acids would allow for 16 different combinations.
Pairing bases to code for amino acids would allow for 16 different combinations.
Using 3 bases to code for each amino acid allows for 64 combinations.
Using 3 bases to code for each amino acid allows for 64 combinations.
DNA replication is a conservative process where both parent strands are preserved in the new DNA molecules.
DNA replication is a conservative process where both parent strands are preserved in the new DNA molecules.
DNA polymerase is the enzyme responsible for bringing substrates to the DNA strand template during replication.
DNA polymerase is the enzyme responsible for bringing substrates to the DNA strand template during replication.
Helicases are enzymes that act at specific places called Replication Forks during DNA replication.
Helicases are enzymes that act at specific places called Replication Forks during DNA replication.
