Podcast
Questions and Answers
Why are the nitrogen bases in DNA stacked in the center of the structure?
Why are the nitrogen bases in DNA stacked in the center of the structure?
- To form holes in the DNA structure
- To interact with water molecules
- To maximize exposure to hydrophilic molecules
- To avoid water due to their hydrophobic nature (correct)
What keeps the distance between the sugars and phosphates constant in DNA?
What keeps the distance between the sugars and phosphates constant in DNA?
- Twisting of the two DNA strands around one another (correct)
- Interaction with water molecules
- Presence of uracil instead of thymine
- Formation of holes in the DNA structure
Which component differs between DNA and RNA in terms of sugar composition?
Which component differs between DNA and RNA in terms of sugar composition?
- Presence of hydrophobic nitrogenous bases
- Phosphate
- Deoxyribose vs. ribose sugar (correct)
- Nitrogen base
What is the function of tRNA among the classes of RNA mentioned?
What is the function of tRNA among the classes of RNA mentioned?
How do nucleotides differ from nucleosides?
How do nucleotides differ from nucleosides?
What is the purpose of genetic counseling mentioned in the text?
What is the purpose of genetic counseling mentioned in the text?
Which nucleic acid is described as the molecule of heredity in all cells except some viruses?
Which nucleic acid is described as the molecule of heredity in all cells except some viruses?
What process explains how one gene can code for at least 4 polypeptides?
What process explains how one gene can code for at least 4 polypeptides?
What is the approximate frequency of genetically determined diseases in the general population?
What is the approximate frequency of genetically determined diseases in the general population?
Which type of nucleic acid is synthesized on DNA templates and participates in protein synthesis in the cytoplasm?
Which type of nucleic acid is synthesized on DNA templates and participates in protein synthesis in the cytoplasm?
