A Question 8
Which of the following statements best describes the structure of DNA?
Two strands of proteins are held together by sugar molecules, nitrogen bases, and phosphate groups
Two strands composed of sugar molecules are phosphate groups are linked together by proteins.
Nitrogen bases and phosphate groups link together to form the backbone of a strand. Two such strands are linked together by sugar molecules.
Sugar molecules and phosphate groups link otgether to form the backbone of a strand. Two such strands are linked together by a mactched nitrogen base
B
С
D
Hi