Podcast
Questions and Answers
In DNA, how is the second strand oriented in relation to the first strand?
In DNA, how is the second strand oriented in relation to the first strand?
- Parallel
- Random
- Perpendicular
- Antiparallel (correct)
What is the correct name for the base sugar with the phosphate in DNA?
What is the correct name for the base sugar with the phosphate in DNA?
- Phosphodiester
- Nucleotide (correct)
- Nitrogen base
- Deoxyribose
What is the correct nomenclature for the base bound to the sugar in DNA?
What is the correct nomenclature for the base bound to the sugar in DNA?
- Nitrogen base (correct)
- Phosphodiester
- Deoxyribose
- Nucleotide
What is the number of hydrogen bonds formed between adenine and thymine in DNA?
What is the number of hydrogen bonds formed between adenine and thymine in DNA?
Which nitrogen base pair is easier to denature in DNA?
Which nitrogen base pair is easier to denature in DNA?
Which carbon on the deoxyribose in DNA is usually replaced by a normal hydrogen?
Which carbon on the deoxyribose in DNA is usually replaced by a normal hydrogen?
What are the two types of nitrogen-containing bases in DNA?
What are the two types of nitrogen-containing bases in DNA?
How many cyclic structures do purines have in DNA?
How many cyclic structures do purines have in DNA?
How many carbon atoms are in the sugar of DNA?
How many carbon atoms are in the sugar of DNA?
Which carbon on the deoxyribose in DNA is replaced by a normal hydrogen?
Which carbon on the deoxyribose in DNA is replaced by a normal hydrogen?
What is the correct nomenclature for the base bound to the sugar in DNA?
What is the correct nomenclature for the base bound to the sugar in DNA?
What is the correct name for the base sugar with the phosphate in DNA?
What is the correct name for the base sugar with the phosphate in DNA?
Which nitrogen base pair is easier to denature in DNA?
Which nitrogen base pair is easier to denature in DNA?
In DNA, how is the second strand oriented in relation to the first strand?
In DNA, how is the second strand oriented in relation to the first strand?
Which type of bond connects the sugar and phosphate backbones in DNA?
Which type of bond connects the sugar and phosphate backbones in DNA?
What is the number of hydrogen bonds formed between adenine and thymine in DNA?
What is the number of hydrogen bonds formed between adenine and thymine in DNA?
What is the correct name for the base sugar with the phosphate in RNA?
What is the correct name for the base sugar with the phosphate in RNA?
What is the correct nomenclature for the base bound to the sugar in RNA?
What is the correct nomenclature for the base bound to the sugar in RNA?
Which nitrogen base pair is more stable in DNA?
Which nitrogen base pair is more stable in DNA?
Which of the following is a key difference between DNA and RNA?
Which of the following is a key difference between DNA and RNA?
Which type of RNA is the most predominant in each cell for making proteins?
Which type of RNA is the most predominant in each cell for making proteins?
How many hydrogen bonds are formed between cytosine and guanine in DNA?
How many hydrogen bonds are formed between cytosine and guanine in DNA?
Which nitrogen base is replaced by uracil in RNA?
Which nitrogen base is replaced by uracil in RNA?
Which type of RNA is responsible for carrying amino acids to the ribosome during protein synthesis?
Which type of RNA is responsible for carrying amino acids to the ribosome during protein synthesis?
Which type of RNA is involved in the assembly of ribosomes?
Which type of RNA is involved in the assembly of ribosomes?
Which type of RNA is involved in the regulation of gene expression?
Which type of RNA is involved in the regulation of gene expression?
In DNA, which carbon on the sugar molecule is missing an oxygen atom?
In DNA, which carbon on the sugar molecule is missing an oxygen atom?
Which type of RNA is responsible for carrying the genetic information from the DNA to the ribosome for protein synthesis?
Which type of RNA is responsible for carrying the genetic information from the DNA to the ribosome for protein synthesis?
How many hydrogen bonds are formed between adenine and thymine in DNA?
How many hydrogen bonds are formed between adenine and thymine in DNA?
What is the main difference in DNA packaging between prokaryotes and eukaryotes?
What is the main difference in DNA packaging between prokaryotes and eukaryotes?
What is the function of supercoiling in DNA packaging?
What is the function of supercoiling in DNA packaging?
What happens when a negative supercoil is introduced in DNA?
What happens when a negative supercoil is introduced in DNA?
What happens when a positive supercoil is introduced in DNA?
What happens when a positive supercoil is introduced in DNA?
What is the role of topoisomerases in DNA packaging?
What is the role of topoisomerases in DNA packaging?
What is the main difference between topoisomerase I and topoisomerase II?
What is the main difference between topoisomerase I and topoisomerase II?
What is the main difference in DNA structure between prokaryotes and eukaryotes?
What is the main difference in DNA structure between prokaryotes and eukaryotes?
What is the main function of coding DNA in prokaryotes?
What is the main function of coding DNA in prokaryotes?
What is the main function of non-coding DNA in eukaryotes?
What is the main function of non-coding DNA in eukaryotes?
What is the main advantage of DNA supercoiling in prokaryotes?
What is the main advantage of DNA supercoiling in prokaryotes?
What is the major way in which DNA is packaged into the cell in prokaryotes?
What is the major way in which DNA is packaged into the cell in prokaryotes?
What are the yellow parts in the picture called?
What are the yellow parts in the picture called?
How many times does the DNA wrap around the histones in a nucleosome?
How many times does the DNA wrap around the histones in a nucleosome?
How many proteins are there in an octamer?
How many proteins are there in an octamer?
What is the role of histone H1 in DNA packaging?
What is the role of histone H1 in DNA packaging?
What is the main difference in DNA packaging between prokaryotes and eukaryotes?
What is the main difference in DNA packaging between prokaryotes and eukaryotes?
What is the correct name for the proteins that make up an octamer?
What is the correct name for the proteins that make up an octamer?
What is the role of topoisomerases in DNA packaging?
What is the role of topoisomerases in DNA packaging?
What is the correct nomenclature for the base sugar with the phosphate in DNA?
What is the correct nomenclature for the base sugar with the phosphate in DNA?
What is the main advantage of DNA supercoiling in prokaryotes?
What is the main advantage of DNA supercoiling in prokaryotes?
Which structure is responsible for condensing DNA into a solenoid?
Which structure is responsible for condensing DNA into a solenoid?
What is the role of histone h one in DNA packaging?
What is the role of histone h one in DNA packaging?
What is the main function of acetylating histones?
What is the main function of acetylating histones?
What is the significance of the positive charge of nucleosomes in DNA packaging?
What is the significance of the positive charge of nucleosomes in DNA packaging?
What is the function of scaffold proteins in DNA packaging?
What is the function of scaffold proteins in DNA packaging?
How many kilo base pairs of DNA does each loop in the solenoid structure contain?
How many kilo base pairs of DNA does each loop in the solenoid structure contain?
What is the structure formed when loops of solenoids are organized in a flower-like manner?
What is the structure formed when loops of solenoids are organized in a flower-like manner?
Where are the two chromatids of a chromosome kept together?
Where are the two chromatids of a chromosome kept together?
What is the p arm of a chromosome?
What is the p arm of a chromosome?
What is the main difference in chromosome structure between eukaryotes and bacteria?
What is the main difference in chromosome structure between eukaryotes and bacteria?
Which of the following is a correct statement about chromatids?
Which of the following is a correct statement about chromatids?
What is the main function of introns in DNA?
What is the main function of introns in DNA?
What is the relationship between genes and chromatids?
What is the relationship between genes and chromatids?
What is the main function of exons in DNA?
What is the main function of exons in DNA?
What is the process by which introns are removed from RNA called?
What is the process by which introns are removed from RNA called?
In the picture, are exons larger or smaller than introns?
In the picture, are exons larger or smaller than introns?
In real life, are exons larger or smaller than introns?
In real life, are exons larger or smaller than introns?
What is the main difference between the chromatids in the picture?
What is the main difference between the chromatids in the picture?
What is the main difference between the chromatids in real life?
What is the main difference between the chromatids in real life?
Which of the following is a correct statement about DNA packaging in real life?
Which of the following is a correct statement about DNA packaging in real life?
Which structure is visible under the microscope when DNA is condensed during cell division?
Which structure is visible under the microscope when DNA is condensed during cell division?
What is the purpose of condensing DNA during cell division?
What is the purpose of condensing DNA during cell division?
Which part of the chromosome can be different in length between the P arm and the Q arm?
Which part of the chromosome can be different in length between the P arm and the Q arm?
Where are the different alleles located within a chromosome?
Where are the different alleles located within a chromosome?
What can be exchanged during crossing over of chromosomes?
What can be exchanged during crossing over of chromosomes?
Are chromosomes necessarily identical?
Are chromosomes necessarily identical?
How many copies of chromosome one does an individual have?
How many copies of chromosome one does an individual have?
Where are the different alleles located within a chromosome?
Where are the different alleles located within a chromosome?
What is the process called when introns are removed from RNA?
What is the process called when introns are removed from RNA?
Are the two chromatids within one chromosome identical?
Are the two chromatids within one chromosome identical?
Which part of the nucleus is typically occupied by nontranscribed parts of the DNA?
Which part of the nucleus is typically occupied by nontranscribed parts of the DNA?
What is the behavior of mitochondrial DNA similar to?
What is the behavior of mitochondrial DNA similar to?
How many copies of DNA does each mitochondrion typically have?
How many copies of DNA does each mitochondrion typically have?
What is the main function of mitochondria in a cell?
What is the main function of mitochondria in a cell?
How does DNA packaging differ between prokaryotes and eukaryotes?
How does DNA packaging differ between prokaryotes and eukaryotes?
Where are the nontranscribed parts of the DNA typically located within the nucleus?
Where are the nontranscribed parts of the DNA typically located within the nucleus?
What is the structure of mitochondrial DNA?
What is the structure of mitochondrial DNA?
What is the main difference between mitochondrial DNA and nuclear DNA?
What is the main difference between mitochondrial DNA and nuclear DNA?
Where are the transcribed parts of the DNA typically located within the nucleus?
Where are the transcribed parts of the DNA typically located within the nucleus?
How does the behavior of mitochondrial DNA compare to bacterial DNA?
How does the behavior of mitochondrial DNA compare to bacterial DNA?
What is the total size of mitochondrial DNA?
What is the total size of mitochondrial DNA?
Which of the following is true about mitochondrial DNA coding?
Which of the following is true about mitochondrial DNA coding?
How does mitochondrial DNA compare to nuclear DNA in terms of size?
How does mitochondrial DNA compare to nuclear DNA in terms of size?
How many mitochondria can be found in a single cell?
How many mitochondria can be found in a single cell?
What is the main difference between nuclear DNA and mitochondrial DNA?
What is the main difference between nuclear DNA and mitochondrial DNA?
What is the function of histone modifications?
What is the function of histone modifications?
What happens when histones are acetylated?
What happens when histones are acetylated?
Why can we only see chromosomes during cell division?
Why can we only see chromosomes during cell division?
How many chromosomes do humans have?
How many chromosomes do humans have?
What is the role of topoisomerases in DNA packaging?
What is the role of topoisomerases in DNA packaging?
Which enzyme is responsible for proofreading and cutting out wrongly attached bases during DNA replication?
Which enzyme is responsible for proofreading and cutting out wrongly attached bases during DNA replication?
What is the function of the origin of replication in DNA replication?
What is the function of the origin of replication in DNA replication?
What type of base sequence is easier to open up during DNA replication?
What type of base sequence is easier to open up during DNA replication?
What is the role of single strand binding proteins in DNA replication?
What is the role of single strand binding proteins in DNA replication?
Which enzyme is responsible for unzipping the DNA strands during DNA replication?
Which enzyme is responsible for unzipping the DNA strands during DNA replication?
What is the function of RNA primers in DNA replication?
What is the function of RNA primers in DNA replication?
What is the direction of DNA synthesis during DNA replication?
What is the direction of DNA synthesis during DNA replication?
What is the structure that forms when DNA strands are separated during DNA replication?
What is the structure that forms when DNA strands are separated during DNA replication?
Which enzyme is responsible for elongating the DNA strands during DNA replication?
Which enzyme is responsible for elongating the DNA strands during DNA replication?
What is the function of the proofreading activity of DNA polymerase?
What is the function of the proofreading activity of DNA polymerase?
Which of the following is the correct definition of a nucleotide?
Which of the following is the correct definition of a nucleotide?
What is a nucleosome?
What is a nucleosome?
When is DNA fully packed into chromosomes?
When is DNA fully packed into chromosomes?
What is the main purpose of transcription?
What is the main purpose of transcription?
When does replication of DNA occur?
When does replication of DNA occur?
What happens to DNA during the metaphase of cell division?
What happens to DNA during the metaphase of cell division?
What is the process of DNA making up chromatids and then chromosomes called?
What is the process of DNA making up chromatids and then chromosomes called?
What is the role of histones in DNA packaging?
What is the role of histones in DNA packaging?
When is DNA fully accessible for transcription?
When is DNA fully accessible for transcription?
What is the function of replication in DNA?
What is the function of replication in DNA?
What is the main function of DNA polymerase during DNA replication?
What is the main function of DNA polymerase during DNA replication?
What is the difference between chromatin and nucleosome?
What is the difference between chromatin and nucleosome?
What is the correct direction of DNA synthesis during replication?
What is the correct direction of DNA synthesis during replication?
What is the main difference between semiconservative and conservative DNA replication?
What is the main difference between semiconservative and conservative DNA replication?
What is the role of DNA polymerase in DNA replication?
What is the role of DNA polymerase in DNA replication?
What is the function of histone proteins in chromatin?
What is the function of histone proteins in chromatin?
What is the correct direction of DNA synthesis during replication?
What is the correct direction of DNA synthesis during replication?
What is the function of DNA polymerase in DNA replication?
What is the function of DNA polymerase in DNA replication?
What is the difference between chromatin and nucleosome?
What is the difference between chromatin and nucleosome?
What is the main difference between semiconservative and conservative DNA replication?
What is the main difference between semiconservative and conservative DNA replication?
Which enzyme attaches to the helicase during DNA replication in prokaryotes and is called a primo zone?
Which enzyme attaches to the helicase during DNA replication in prokaryotes and is called a primo zone?
In which direction does the helicase move during DNA replication in the leading strand?
In which direction does the helicase move during DNA replication in the leading strand?
Which enzyme synthesizes the DNA in the 5' to 3' direction during DNA replication?
Which enzyme synthesizes the DNA in the 5' to 3' direction during DNA replication?
In which direction does the polymerase move during DNA replication in the leading strand?
In which direction does the polymerase move during DNA replication in the leading strand?
In which direction does the helicase move during DNA replication in the lagging strand?
In which direction does the helicase move during DNA replication in the lagging strand?
In which direction does the polymerase move during DNA replication in the lagging strand?
In which direction does the polymerase move during DNA replication in the lagging strand?
What is the term used to describe the combination of a short stretch of RNA with the DNA during DNA replication?
What is the term used to describe the combination of a short stretch of RNA with the DNA during DNA replication?
Which DNA polymerase is responsible for removing the RNA primer and filling the gap?
Which DNA polymerase is responsible for removing the RNA primer and filling the gap?
What is the name of the clamp that helps keep the DNA polymerase attached to the DNA?
What is the name of the clamp that helps keep the DNA polymerase attached to the DNA?
Which DNA polymerase is the major chromosome replicating enzyme?
Which DNA polymerase is the major chromosome replicating enzyme?
What is the enzyme responsible for closing the gaps between Okazaki fragments?
What is the enzyme responsible for closing the gaps between Okazaki fragments?
Which DNA polymerase is involved in DNA repair?
Which DNA polymerase is involved in DNA repair?
What is the activity of polymerase one that allows it to remove the RNA primer and DNA?
What is the activity of polymerase one that allows it to remove the RNA primer and DNA?
What is the direction of replication that determines whether a strand is a leading or lagging strand?
What is the direction of replication that determines whether a strand is a leading or lagging strand?
Which enzyme is responsible for removing the RNA primer and replacing it with DNA?
Which enzyme is responsible for removing the RNA primer and replacing it with DNA?
What is the function of topoisomerases in DNA replication?
What is the function of topoisomerases in DNA replication?
What is the role of the DNA ligase in DNA replication?
What is the role of the DNA ligase in DNA replication?
What is the main difference between the leading and lagging strands in DNA replication?
What is the main difference between the leading and lagging strands in DNA replication?
What is the function of the helicase in DNA replication?
What is the function of the helicase in DNA replication?
What is the role of the primase in DNA replication?
What is the role of the primase in DNA replication?
What is the main difference between prokaryotic and eukaryotic DNA replication?
What is the main difference between prokaryotic and eukaryotic DNA replication?
Which model describes the replication of nucleosomes in eukaryotes?
Which model describes the replication of nucleosomes in eukaryotes?
What happens to the nucleosome during replication in eukaryotes?
What happens to the nucleosome during replication in eukaryotes?
Which enzyme is responsible for removing the primer in eukaryotic DNA replication?
Which enzyme is responsible for removing the primer in eukaryotic DNA replication?
What is the function of single strand binding proteins in DNA replication?
What is the function of single strand binding proteins in DNA replication?
Which protein acts as a sliding clamp in DNA replication?
Which protein acts as a sliding clamp in DNA replication?
What is the main difference between DNA and RNA?
What is the main difference between DNA and RNA?
Which type of RNA is involved in the regulation of gene expression?
Which type of RNA is involved in the regulation of gene expression?
What is the role of DNA polymerase in DNA replication?
What is the role of DNA polymerase in DNA replication?
How many hydrogen bonds are formed between cytosine and guanine in DNA?
How many hydrogen bonds are formed between cytosine and guanine in DNA?
Which nucleotides are used by the polymerase to build DNA during replication?
Which nucleotides are used by the polymerase to build DNA during replication?
What is the function of an RNA primer in DNA replication?
What is the function of an RNA primer in DNA replication?
What is the role of the Tata box in DNA replication?
What is the role of the Tata box in DNA replication?
Which polymerases are present in prokaryotes but not in eukaryotes?
Which polymerases are present in prokaryotes but not in eukaryotes?
What is the function of DNA primase?
What is the function of DNA primase?
What is the main difference between DNA replication and transcription?
What is the main difference between DNA replication and transcription?
Which type of RNA is involved in the assembly of ribosomes?
Which type of RNA is involved in the assembly of ribosomes?
What is the origin of replication in DNA replication?
What is the origin of replication in DNA replication?
What is the function of histone proteins in chromatin?
What is the function of histone proteins in chromatin?
What is the main difference between polymerase III and polymerase I?
What is the main difference between polymerase III and polymerase I?
Which one of the following statements about DNA replication is NOT true?
Which one of the following statements about DNA replication is NOT true?
What is the main difference between the replication of DNA in prokaryotes and eukaryotes?
What is the main difference between the replication of DNA in prokaryotes and eukaryotes?
Which of the following statements about mitochondrial DNA is true?
Which of the following statements about mitochondrial DNA is true?
What is the main factor that determines whether a woman has the same mitochondrial DNA as her great great great grandmother?
What is the main factor that determines whether a woman has the same mitochondrial DNA as her great great great grandmother?
Which of the following is NOT a potential cause of changes in DNA over time?
Which of the following is NOT a potential cause of changes in DNA over time?
What is the main difference between prokaryotes and eukaryotes in terms of DNA replication?
What is the main difference between prokaryotes and eukaryotes in terms of DNA replication?
Which of the following is NOT a difference between prokaryotes and eukaryotes in terms of DNA replication?
Which of the following is NOT a difference between prokaryotes and eukaryotes in terms of DNA replication?
Which of the following is NOT a potential cause of differences in mitochondrial DNA between individuals?
Which of the following is NOT a potential cause of differences in mitochondrial DNA between individuals?
What is the main difference between the replication of DNA in prokaryotes and eukaryotes in terms of origins of replication?
What is the main difference between the replication of DNA in prokaryotes and eukaryotes in terms of origins of replication?
Which of the following is NOT a potential cause of changes in mitochondrial DNA over time?
Which of the following is NOT a potential cause of changes in mitochondrial DNA over time?
Which enzyme removes the RNA primers in prokaryotes during DNA replication?
Which enzyme removes the RNA primers in prokaryotes during DNA replication?
Which enzyme removes the RNA primers in eukaryotes during DNA replication?
Which enzyme removes the RNA primers in eukaryotes during DNA replication?
Which type of topoisomerase is predominantly active in DNA unwinding?
Which type of topoisomerase is predominantly active in DNA unwinding?
Is PCNA a type of single strand binding protein?
Is PCNA a type of single strand binding protein?
Why do we need Okazaki fragments during DNA replication?
Why do we need Okazaki fragments during DNA replication?
Can DNA ligase and DNA polymerase one act while DNA is being synthesized?
Can DNA ligase and DNA polymerase one act while DNA is being synthesized?
Can DNA ligase and DNA polymerase one act while Okazaki fragments are being made?
Can DNA ligase and DNA polymerase one act while Okazaki fragments are being made?
Does DNA polymerase one remove the RNA primers during DNA replication?
Does DNA polymerase one remove the RNA primers during DNA replication?
Does DNA polymerase two remove the RNA primers during DNA replication?
Does DNA polymerase two remove the RNA primers during DNA replication?
Does DNA polymerase three remove the RNA primers during DNA replication?
Does DNA polymerase three remove the RNA primers during DNA replication?
What is the function of the okazaki fragments during DNA replication?
What is the function of the okazaki fragments during DNA replication?
Which direction does the axonuclease work in?
Which direction does the axonuclease work in?
What is the main function of the primosome complex on the lagging strand during DNA replication?
What is the main function of the primosome complex on the lagging strand during DNA replication?
Why does DNA shorten over time after multiple replications in somatic cells?
Why does DNA shorten over time after multiple replications in somatic cells?
What is the function of telomerase in dealing with the end replication problem?
What is the function of telomerase in dealing with the end replication problem?
What is an okazaki fragment composed of?
What is an okazaki fragment composed of?
What is the main difference in the number of replication forks between prokaryotes and eukaryotes?
What is the main difference in the number of replication forks between prokaryotes and eukaryotes?
What is the main function of DNA primase during DNA replication?
What is the main function of DNA primase during DNA replication?
What is the direction of DNA synthesis during DNA replication?
What is the direction of DNA synthesis during DNA replication?
What is the main function of the exonuclease activity of DNA polymerase?
What is the main function of the exonuclease activity of DNA polymerase?
Which enzyme is responsible for synthesizing DNA during replication?
Which enzyme is responsible for synthesizing DNA during replication?
Which nucleotide is used to pair with adenine (A) during DNA replication?
Which nucleotide is used to pair with adenine (A) during DNA replication?
Which type of supercoiling occurs when a turn is added to the DNA?
Which type of supercoiling occurs when a turn is added to the DNA?
What is the main function of DNA polymerase one during DNA replication?
What is the main function of DNA polymerase one during DNA replication?
Where are ATP molecules synthesized during respiration?
Where are ATP molecules synthesized during respiration?
What is the role of topoisomerase two in DNA replication?
What is the role of topoisomerase two in DNA replication?
Which type of supercoiling occurs when a turn is removed from the DNA?
Which type of supercoiling occurs when a turn is removed from the DNA?
Which nucleotide is used to pair with cytosine (C) during DNA replication?
Which nucleotide is used to pair with cytosine (C) during DNA replication?
Which enzyme is responsible for proofreading and cutting out wrongly attached bases during DNA replication?
Which enzyme is responsible for proofreading and cutting out wrongly attached bases during DNA replication?
Where are the triphosphates used for DNA synthesis located?
Where are the triphosphates used for DNA synthesis located?
What is the function of atelomerase in stem cells and germ cells?
What is the function of atelomerase in stem cells and germ cells?
What is the function of the PCNA clamp in DNA replication?
What is the function of the PCNA clamp in DNA replication?
Which type of DNA is primarily passed along the maternal line?
Which type of DNA is primarily passed along the maternal line?
Is it necessary to study DNA replication in both prokaryotes and eukaryotes?
Is it necessary to study DNA replication in both prokaryotes and eukaryotes?
What is the main difference between prokaryotic and eukaryotic polymerases?
What is the main difference between prokaryotic and eukaryotic polymerases?
Is the lecture sufficient for understanding DNA replication?
Is the lecture sufficient for understanding DNA replication?
Which form of supercoiling is more common in DNA?
Which form of supercoiling is more common in DNA?
What is the function of non-coding DNA in eukaryotes?
What is the function of non-coding DNA in eukaryotes?
What is the main function of the exonuclease activity of DNA polymerase?
What is the main function of the exonuclease activity of DNA polymerase?
Which enzyme removes the RNA primers in prokaryotes during DNA replication?
Which enzyme removes the RNA primers in prokaryotes during DNA replication?
