BIOMOLECULES AND ENZYMES

BIOLOGY

CARBOHYDRATES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What atoms make up all carbohydrates?
A
Carbon, Sulfur, Hydrogen
B
Carbon, Oxygen, Phosphorus
C
Carbon, Oxygen, Nitrogen
D
Carbon, Oxygen, Hydrogen
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: -Carbohydrate Definition Indeed, “carbo” means carbon, while “hydrate” means water, a combination of hydrogen and oxygen molecules. All carbohydrates, including sugar, therefore contain the same three elements: carbon, hydrogen and oxygen.

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.

Detailed explanation-5: -Carbohydrate is made up of carbon, hydrogen and oxygen. Its chief function is to provide energy for physiological activities. Starch, sugar, glucose and cellulose are different forms of carbohydrate.

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