In DNA structure, which nitrogenous base forms complementary base pairs with thymine (T) via hydrogen bonds?

In the context of DNA structure, which set correctly lists the three components of a DNA nucleotide?

The pairing of nitrogenous bases in DNA is specific because which feature ensures that adenine pairs with thymine and guanine pairs with cytosine?

In double-stranded DNA, guanine (G) always base-pairs with which nitrogenous base?

In the B-form DNA double helix, approximately how many times longer is one helical turn than the diameter (width) of the helix?

In double-stranded DNA, guanine always forms hydrogen bonds with which base?

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

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

In the DNA double helix often described as a twisted ladder, what molecules form the “stairs” (rungs) of the ladder?