7. DNA and Chromosome Structure

Which of the following is a nitrogenous base found in DNA?

Which set correctly lists the four nucleotides found in DNA?

In the context of DNA structure, who is credited with discovering the base-pairing rules (A pairs with T, and G pairs with C) for DNA?

In the DNA double helix, which type of bond primarily holds the two strands together across the helix (between complementary bases)?

In an agarose gel electrophoresis experiment analyzing DNA structure, which individual's sample would most likely show DNA fragments of approximately 470 bp and 330 bp after digestion with a restriction enzyme that cuts at a specific site within the DNA?

In the structure of DNA, which component is primarily responsible for the molecule's overall negative charge at physiological pH?

In the DNA double helix, what components form the “rungs” of the molecular ladder?

Who created the first widely accepted accurate double-helix model of DNA structure in 1953?

In the structure of DNA, which sugar is found in the nucleotide backbone?

Which sugar is found in the backbone of DNA?

How are the two strands of DNA held together?

Which two components make up the backbone of the DNA double helix?

In the structure of DNA, which pentose sugar is present in the nucleotide backbone?

Which of the following is the repeating monomer unit of a DNA molecule?

In the context of DNA structure, what are the monomers (basic repeating subunits) of DNA?