CELL STRUCTURES AND FUNCTION
BIO MOLECULES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Nitrogen
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Oxygen
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Carbon
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Phosphorous
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Detailed explanation-1: -Organic molecules must contain carbon atoms covalently bonded to hydrogen atoms (C-H bonds). They usually involve oxygen and can also contain nitrogen, sulfur, phosphorous, and others.
Detailed explanation-2: -How do you know if a compound is organic? A material is organic if it contains carbon bound to other atoms by covalence. The other atoms most commonly contain hydrogen, oxygen, and/or nitrogen. A few carbon compounds, including simple oxides (e.g. CO2) and cyanides (e.g. KCN), are arbitrarily omitted.
Detailed explanation-3: -The three elements that make up over 99 percent of organic molecules are carbon, hydrogen and oxygen. These three combine together to form almost all chemical structures needed for life, including carbohydrates, lipids and proteins.