Which statements are correct?1 In a triglyceride molecule the bonds between the fatty acids and the glycerol molecule are called ester bonds.2 Triglycerides are formed by a condensation reaction between the hydroxyl group of a fatty acid molecule and one of the carboxyl groups of the glycerol molecule.3 Triglycerides are insoluble in water because the fatty acid carbon chain is non-polar.

PROTEINS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	A 1, 2 and 3
B	B 1 and 2 only
C	C 1 and 3 only
D	D 2 and 3 only

Explanation:

Detailed explanation-1: -Answer and Explanation:-Triacylglycerols (triglycerides) always contain three identical fatty acids. Triacylglycerols are formed from the reaction between three long chain fatty acids and glycerol and form three ester linkages. The fatty acids can be identical and can be different.

Detailed explanation-2: -Triacylglycerols are formed by linking fatty acids with an ester linkage to three alcohol groups in glycerol. Triacylglycerols are the form in which fat energy is stored in adipose tissue. Triacylglycerols are sometimes referred to as triglycerides.

Detailed explanation-3: -A triglyceride is formed when 1 glycerol molecule links with 3 fatty acid molecules by means of ester bond (covalent bond), in a condensation reaction. Therefore, a lipid is formed by ester bonds.

Detailed explanation-4: -Triglycerides. Triglycerides are composed of a glycerol molecule bound to three fatty acids and are digested by pancreatic lipase. Triglycerides are a major component of very-low-density lipoprotein (VLDL) and serve as a source of energy.

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BIOMOLECULES AND ENZYMES

BIOLOGY

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