How many phosphate groups sit between each sugar in the DNA backbone?

How are the nitrogenous bases (A, G, C, T) joined to the DNA backbone?Group of answer choicesThey make covalent bonds with both the deoxyribose and the phosphate.They are covalently bound to the deoxyribose.They are covalently bound to the phosphate group.They interact through ionic interactions with the deoxyribose.They interact through ionic interactions with the phosphate group.

DNA's phosphodiester is composed of alternating sugars and phosphates.

Repeating sugar and phosphate units in a single DNA strand make up the Blank______.

What is different from one DNA nucleotide to the next?Group of answer choicesThe sugar moleculeThe phosphate groupThe proteinThe baseNext

Which of the following that contains a phosphate, sugar, and a nitrogenous base?Group of answer choicesTriglycerideNucleosideNucleotideAmino acid