5
Q:
A) nitrates and sugars | B) sugars and hydrates |
C) sugars and phosphates | D) phosphates and nitrates |
Answer: C) sugars and phosphates
Explanation:
Explanation:
DNA is a double-stranded molecule twisted into a helix. The shape of DNA is a double helix, which is like a twisted ladder. The sides of the ladder are made of alternating sugar and phosphate molecules. Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA. The rungs of the ladder are pairs of 4 types of nitrogen bases.