Which chemical linkage connects adjacent nucleotides along a single polynucleotide strand to form the backbone of a DNA molecule?

A) Phosphodiester bonds between the 3' carbon of one deoxyribose sugar and the 5' carbon of the next via a phosphate group

B) Hydrogen bonds formed directly between adjacent nitrogenous bases aligned in the same strand

C) Peptide bonds connecting the amino group of one nucleotide to the carboxyl group of the next

D) Glycosidic bonds linking the phosphate group of one nucleotide directly to the phosphate group of an adjacent nucleotide

DNA structure Knowledge-Based Practice

Biology · Molecular Genetics · Biology · DNA Structure & Replication

1 Biology practice questions on DNA structure. Questions that assess core concepts and understanding.

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