7. DNA and Chromosome Structure

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

In nucleic acids, the backbone of DNA and RNA is primarily composed of which repeating structural components?

Which set correctly lists the nitrogenous bases found in DNA?

In the DNA double helix, what chemical components make up the “sides” (backbone) of the molecule?

The structure of RNA differs from DNA in that:

The bases in DNA (and RNA) are more accurately described as _____ bases.

In the DNA double helix, which components form the sugar-phosphate backbone of each strand?

In the context of DNA structure, DNA is classified as which type of biological macromolecule?

Which of the following is a key structural feature of a DNA molecule?

In the double helix structure of DNA, how many hydrogen bonds hold adenine and thymine together?

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

Which set correctly lists the four nitrogenous bases found in DNA?

Which type of bond is primarily responsible for holding the two strands of DNA together in the double helix structure?

DNA is made of four different bases: _______, _______, _______, and ______. Which of the following lists correctly names all four bases found in DNA?

Which components make up the backbone of a DNA molecule?