They always contain carbon
ANSWER:
-Nucleotide;
-Deoxyribose
DNA is composed of repeating structural units called nucleotide. Deoxyribose is the five-carbon sugar found in DNA.
Explanation;
-Nucleotides are the building blocks of nucleic acids. Nucleotides are linked together to form nucleic acids. The three parts of a nucleotide are; At least one phosphate group , pentose sugar and a nitrogenous base.
-The sugar that is found in DNA is the deoxyribose sugar that is a five carbon sugar in DNA.
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<em>Carbon dioxide + light energy + water = carbohydrate (glucose) and oxygen</em>
Reactants: carbon dioxide, light energy, water
Products: glucose, oxygen
This is false. DNA transcription is the first step in gene expression.