BIOMOLECULES AND ENZYMES

BIOLOGY

MONOSACCHARIDES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What elements(atoms) make up carbohydrates?
A
Carbon, hydrogen, nitrogen, oxygen
B
sulfur, carbon, hydrogen
C
glucose and fructose
D
carbon, hydrogen, oxygen
Explanation: 

Detailed explanation-1: -Carbohydrates contain only carbon, hydrogen and oxygen atoms; prior to any oxidation or reduction, most have the empirical formula Cm(H2O)n. Compounds obtained from carbohydrates by substitution, etc., are known as carbohydrate derivatives and may contain other elements.

Detailed explanation-2: -Carbohydrates are composed of carbon, hydrogen, and oxygen and have a general formula that approximates CH2O. They are polyhydroxy aldehydes or ketones or form polyhydroxy aldehydes or ketones when hydrolyzed. Carbohydrates occur as monosaccharides, disaccharides, oligosaccharides, and polysaccharides.

Detailed explanation-3: -Carbohydrates are the compounds made up of carbon, hydrogen and oxygen. Carbohydrates are the energy giving food, and they are present mainly in cereals, sugar and potatoes. The simplest carbohydrate is glucose.

Detailed explanation-4: -Carbohydrates are a group of organic compounds containing a ratio of one carbon atom to two hydrogen atoms to one oxygen atom. Basically, they are hydrated carbons. The word “carbo” means carbon and “hydrate” means water.

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