BIOMOLECULES AND ENZYMES

BIOLOGY

STRUCTURE OF GLUCOSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the composition of the triacylglycerol molecule?
A
Three glycerol molecules and one fatty acid
B
Three glycerol molecules and three fatty acids
C
One glycerol molecule and two fatty acids
D
One glycerol molecule and three fatty acids
Explanation: 

Detailed explanation-1: -A fat molecule is made up of a glycerol molecule along with three molecules of fatty acid molecules. As the fat molecules are made up of a single glycerol molecule with three fatty acid molecules, it is also known as triglycerides.

Detailed explanation-2: -Triacylglycerol (Triglyceride) Triacylglycerol is the major form of dietary lipid in fats and oils, whether derived from plants or animals. Triacylglycerol is composed of three fatty acids esterified to a glycerol molecule (Figure 4).

Detailed explanation-3: -Triacylglycerols (TAGs) are esters formed from one glycerol and three fatty acids.

Detailed explanation-4: -In a fat molecule, the fatty acids are attached to each of the three carbons of the glycerol molecule with an ester bond through the oxygen atom. During the ester bond formation, three molecules are released. Since fats consist of three fatty acids and a glycerol, they are also called triacylglycerols or triglycerides.

Detailed explanation-5: -Triglycerides, or fats, are formed from the combination of glycerol and three fatty acid molecules. Triglycerides are formed through dehydration reactions. Another word for triglyceride is triacylglycerol. Fats can be solid (such as coconut oil) or liquid (such as vegetable oil) at room temperature.

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