BIOMOLECULES AND ENZYMES

BIOLOGY

CLASSIFICATION OF CARBOHYDRATES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the chemical difference between carbohydrates and lipids?
A
carbs have a 1:2:1 ratio of C, H, O
B
carbohydrates don’t have hydrogen
C
lipids don’t have hydrogen
D
lipids have a 1:2:1 ratio of C, H, O
Explanation: 

Detailed explanation-1: -Carbohydrates are made up of carbon and hydrous, which is water. Water has one carbon atom, two hydrogen atoms, and one oxygen atom. The components of lipids are the same, but the oxygen ratio is lower than one (in the ratio), so it is 1:2: less than one for C:H:O.

Detailed explanation-2: -The main difference between a carbohydrate and a lipid is that carbohydrates are water soluble and lipids are not water soluble. Both carbohydrates and lipids can store energy, but their difference in water solubility allows carbohydrates to form polymers while lipids can’t.

Detailed explanation-3: -In lipids, the components are the same but the ratio is less for oxygen, so it is 1:2: less than one for C:H:O.

Detailed explanation-4: -Carbohydrates are a class of chemical compounds composed of carbon, hydrogen, and oxygen in 1:2:1 ratio, respectively.

Detailed explanation-5: -Carbohydrates are hydrocarbons which are polyhydroxy aldehydes and ketones having C: H: O ratio as 1:2:1, as in glucose which has molecular formula C6H12O6. All carbohydrates, however, do not show this ratio, for example, rhamnose is a crystalline sugar, C6H12O5.

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