Podcast
Questions and Answers
What are the three components that make up a nucleotide in DNA?
What are the three components that make up a nucleotide in DNA?
- Protein, carbohydrate, lipid
- Sugar, water, oxygen
- Sugar, phosphate group, nitrogenous base (correct)
- Nitrogen, oxygen, hydrogen
In humans, how many pairs of chromosomes are there?
In humans, how many pairs of chromosomes are there?
- 15 pairs
- 23 pairs (correct)
- 25 pairs
- 20 pairs
What is the function of DNA in living organisms?
What is the function of DNA in living organisms?
- Serving as a blueprint for cellular processes (correct)
- Controlling cellular respiration
- Aiding in digestion
- Regulating blood circulation
What is the range of genes found in the genomes of living creatures mentioned in the text?
What is the range of genes found in the genomes of living creatures mentioned in the text?
Which scientists used X-ray crystallography to study the structure of DNA in 1952?
Which scientists used X-ray crystallography to study the structure of DNA in 1952?
Who first isolated a substance later recognized as DNA from the nuclei of white blood cells?
Who first isolated a substance later recognized as DNA from the nuclei of white blood cells?
Who proposed the alpha helix structure for proteins in 1951, sparking interest in DNA structure?
Who proposed the alpha helix structure for proteins in 1951, sparking interest in DNA structure?
What are the subunits that compose DNA called?
What are the subunits that compose DNA called?
What is the significance of targeting cells with low levels of mtDNA in cancer treatment?
What is the significance of targeting cells with low levels of mtDNA in cancer treatment?
How does the drug 'mitochondrial division inhibitor 1' (mdivi-1) contribute to cancer treatment?
How does the drug 'mitochondrial division inhibitor 1' (mdivi-1) contribute to cancer treatment?
What happens to cancer cells with low levels of mtDNA due to the failure in the oxidative phosphorylation system?
What happens to cancer cells with low levels of mtDNA due to the failure in the oxidative phosphorylation system?
Why is the loss of mtDNA considered a target for cancer treatment?
Why is the loss of mtDNA considered a target for cancer treatment?
What is the primary form of DNA found in a chromosome?
What is the primary form of DNA found in a chromosome?
Which DNA form is rare and not a regulatory element for gene expression?
Which DNA form is rare and not a regulatory element for gene expression?
How are the nitrogenous bases adenine and thymine held together in DNA?
How are the nitrogenous bases adenine and thymine held together in DNA?
What is the most commonly used type of DNA in forensic medicine?
What is the most commonly used type of DNA in forensic medicine?