<span>ATP molecules-full form is adinosene triphosphate</span>
Answer:
C. Each species was unchanged since the moment of its creation
Explanation:
Each DNA strand within the double helix is a long, linear molecule made of smaller units called nucleotides that form a chain. The chemical backbones of the double helix are made up of sugar and phosphate molecules that are connected by chemicals bonds, known as sugar phosphate backbones.
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