Answer:
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.
Explanation:
Answer:
the answer is b oxygen attract electrons more strongly than hydrogen does
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The answer is actually true, because its a tiny spot in the center of the retina that contains only cones.
