Podcast
Questions and Answers
Which end of a DNA strand is always the phosphate end?
Which end of a DNA strand is always the phosphate end?
- Both 5' and 3' ends
- 5' end (correct)
- 3' end
- Neither 5' nor 3' end
What type of molecule is RNA?
What type of molecule is RNA?
- Amino acid
- Lipid
- Double-stranded
- Polymeric (correct)
In DNA replication, where can DNA Polymerase add nucleotides?
In DNA replication, where can DNA Polymerase add nucleotides?
- Any random location on the strand
- Only the 5' end
- Only the 3' end (correct)
- Both 5' and 3' ends
What type of nitrogenous base is Uracil in RNA?
What type of nitrogenous base is Uracil in RNA?
What makes RNA less stable than DNA?
What makes RNA less stable than DNA?
'mRNA' conveys genetic information from DNA to which cellular component?
'mRNA' conveys genetic information from DNA to which cellular component?
What is the function of ribosomes in translation?
What is the function of ribosomes in translation?
What is the significance of the triplet code in genetic instructions?
What is the significance of the triplet code in genetic instructions?
Which nucleotide triplet represents the start codon for protein synthesis?
Which nucleotide triplet represents the start codon for protein synthesis?
What is the role of regulatory RNA elements in gene expression?
What is the role of regulatory RNA elements in gene expression?
According to the central dogma, how are cells governed in terms of genetic information flow?
According to the central dogma, how are cells governed in terms of genetic information flow?
How are small interfering RNAs commonly used in laboratory settings?
How are small interfering RNAs commonly used in laboratory settings?
What was the substance first isolated from the nucleus of white blood cells and spermatozoids by Friedrich Miescher in 1869?
What was the substance first isolated from the nucleus of white blood cells and spermatozoids by Friedrich Miescher in 1869?
Who identified the two types of nucleic acids, later known as RNA and DNA?
Who identified the two types of nucleic acids, later known as RNA and DNA?
What are the four bases of DNA that were identified in 1929?
What are the four bases of DNA that were identified in 1929?
In DNA, what are the nitrogenous bases that form the purines group?
In DNA, what are the nitrogenous bases that form the purines group?
What is the backbone of DNA made up of?
What is the backbone of DNA made up of?
Who discovered that there are always equal amounts of the bases in DNA, known as Chargaff’s Rule?
Who discovered that there are always equal amounts of the bases in DNA, known as Chargaff’s Rule?
