DNA is a long molecule that consists of two strands of nucleotides twisted together in a long spiral called a double helix<span>. 1. Each </span>nucleotide<span> contains a sugar, a phosphate, and one of the four </span>bases<span>: (A = adenine, ___ = cytosine, ___ = guanine, or ___ = thymine). </span>2<span>.</span>
Cell permeability is the correct answer
The equation for photosynthesis states that the combination of carbon deoxide,
water and light energy produces a carbohydrate and oxygen. the chemical formula for example is 6co2+6h20+light energy=c6h12o6+6o2. hope it helps.
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Sorry this is late, but the answer is B. biotic.
