In the DNA double helix, what are the “sides” of the ladder (the sugar-phosphate backbone) made of?

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?

In DNA structure, which monomer (building block) polymerizes to form a DNA strand?

In the context of DNA structure, which two scientists are most commonly credited with establishing the double-helix model of DNA in 1953?

Which two scientists are most widely credited with establishing the double-helix structure of DNA in 1953?

In DNA structure, which two components form the sugar-phosphate backbone of a DNA strand?