Which of the following best describes a carbohydrate?
A. Carbohydrates always consist of a five-carbon sugar, a nitrogenous base, and one or more phosphate groups and are used to store genetic information.
B. Carbohydrates are composed of amino acid monomers and are involved in cell signaling, cell transport, immune responses, and the cell cycle.
C. Carbohydrates are organic macromolecules that are insoluble in water and have the ability to store energy for extended periods of time.
D. Carbohydrates are organic macromolecules that are made up of carbon, hydrogen, and oxygen atoms and are used for energy storage or as structural molecules.
3 Answers
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Answer D
A carbohydrate is an organic compound that consists only of carbon, hydrogen, and oxygen, usually with a hydrogen
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D. Carbohydrates are organic macromolecules that are made up of carbon, hydrogen, and oxygen atoms and are used for energy storage or as structural molecules.
Source(s): Online School K12
Study Island -
it is D
A carbohydrate is an organic compound of hydrogen carbon and oxygen where the ratio between hydrogen and oxygen is always 2:1 e.g glucose C6H12O6
Source(s): biology for igcse
