Podcast
Questions and Answers
What is the typical unit of measurement for the length of DNA?
What is the typical unit of measurement for the length of DNA?
- Number of nucleotides (correct)
- Number of amino acids
- Number of nitrogenous bases
- Number of phosphate groups
How do you form a nucleoside?
How do you form a nucleoside?
- By linking a nitrogenous base to the 5' carbon of the pentose sugar
- By linking a phosphate group to a nitrogenous base
- By linking a nitrogenous base to the 1' carbon of the pentose sugar (correct)
- By linking a phosphate group to the 3' carbon of the pentose sugar
What is the common name of the sugar found in DNA?
What is the common name of the sugar found in DNA?
- Fructose
- Glucose
- Deoxyribose (correct)
- Ribose
What is the result of attaching a phosphate group to a nucleoside?
What is the result of attaching a phosphate group to a nucleoside?
What type of linkage connects two nucleotides in a dinucleotide?
What type of linkage connects two nucleotides in a dinucleotide?
What are the two categories of nitrogenous bases found in DNA?
What are the two categories of nitrogenous bases found in DNA?
What is the base found in RNA but not in DNA?
What is the base found in RNA but not in DNA?
What is the consequence of the complementary nature of polynucleotide chains in DNA?
What is the consequence of the complementary nature of polynucleotide chains in DNA?
What is the polarities of the two polynucleotide chains in DNA?
What is the polarities of the two polynucleotide chains in DNA?
How many hydrogen bonds are formed between Guanine and Cytosine?
How many hydrogen bonds are formed between Guanine and Cytosine?
What is the approximate distance between two base pairs in the DNA helix?
What is the approximate distance between two base pairs in the DNA helix?
What is the result of the plane of one base pair stacking over the other in the double helix?
What is the result of the plane of one base pair stacking over the other in the double helix?
What is the significance of the 5' and 3' ends in a polynucleotide chain?
What is the significance of the 5' and 3' ends in a polynucleotide chain?
What is the difference between the sugar molecule in RNA and DNA?
What is the difference between the sugar molecule in RNA and DNA?
Who is credited with the discovery of DNA as an acidic substance?
Who is credited with the discovery of DNA as an acidic substance?
What was the key observation that led to the discovery of the double helix structure of DNA?
What was the key observation that led to the discovery of the double helix structure of DNA?
What is the significance of the base pairing rules in DNA?
What is the significance of the base pairing rules in DNA?
