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

In the DNA double helix, what molecules form the sugar-phosphate backbone of each strand?

In the context of DNA structure, what type of biomolecule are DNA and RNA?

In the context of DNA structure, what is the smallest repeating subunit (monomer) of DNA?

Which of the following DNA molecules is expected to be the most thermodynamically stable under physiological salt conditions, assuming all are the same length and fully paired (no mismatches)?

In DNA structure, which molecules form the sugar-phosphate backbone of DNA?

In DNA structure, which molecules are the building blocks (monomers) of DNA?

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

In the context of DNA structure and related nucleic acids, what are the subunits (monomers) of DNA and RNA?