NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

BIO MOLECULES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What kind of molecule is represented by the structure below?CH3CH2CH2CH2CH=CHCH2CH2CH2CH2CH2CH2CH2CH2COOH
A
monosaccharide
B
unsaturated fatty acid
C
saturated fatty acid
D
phospholipid
Explanation: 

Detailed explanation-1: -Unsaturated fatty acids (UFAs) consist of a long-chain hydrocarbon with the presence of at least one double covalent bond and ending in a carboxyl group (–COOH), and are distinguished into monounsaturated fatty acids and polyunsaturated fatty acids, both of which have numerous beneficial properties to human health.

Detailed explanation-2: -Stearic acid and palmitic acid, which are commonly found in meat, are examples of saturated fats. When the hydrocarbon chain contains a double bond, the fatty acid is said to be unsaturated. Oleic acid is an example of an unsaturated fatty acid.

Detailed explanation-3: -unsaturated fat, a fatty acid in which the hydrocarbon molecules have two carbons that share double or triple bond(s) and are therefore not completely saturated with hydrogen atoms.

Detailed explanation-4: -Fatty acids have carboxylic acid as a functional group and an aliphatic chain. As the carbons in the given chain have no double or triple bond, this type of fatty acid is saturated fatty acid.

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