Updated: Nov 19, 2022
Organic compounds are used as building blocks for
1. water, DNA, and starches
2. water, proteins, and oxygen
3. proteins, DNA, and carbon dioxide
4. proteins, starches, and fats
Answer : Organic compounds are compounds that contain Carbon, C and contain Hydrogen, H as well. Let's look at our answer choices to try to eliminate some answers. Water, H2O does not contain carbon is therefore not organic.We can eliminate choices 1, 2 since they contain water. Carbon dioxide, CO2, contains carbon but doesn't contain hydrogen, and therefore we can eliminate choice 3 as well. This leaves us with choice 4, indeed, proteins, starches and fats are organic compounds.
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