Question

The following table lists the type of lipid with its chemical composition. Select the most accurate combination.
Lipid Chemical Composition
A. Phospholipid Triacylglycerol
B. Glycolipid Lipid + Sugar
C. Cholesterol Alcohol + Steroid

Answers
-All of these
-C only
-A only
-B,C​

Answer 1

Answer:

The correct answer is All of these.

Explanation:

The chemical composition of lipid consists of Phospholipid Triacylglycerol, Glycolipid Lipid, Sugar, Cholesterol Alcohol, and Steroid. Broadly classifying, lipids are of four types, fats, steroids, phospholipids, waxes. These lipids contain the following components:

a) Fats are seen to contain glycerol along with three fatty acids.

b) Phospholipids contain four major components, which are fatty acids, glycerol compound, a phosphate group and a polar molecule.

c) Steroids are the closed four ring structure.

d) Waxes comprises of an alcohol and a fatty acid.

Answer 2

A only. Phospholipid Triacylglycerol.

Explanation:

• Lipids are hydrophobic in nature, non-polar and are made up of hydrocarbon chains. Lipids help in storing energy, providing insulation, building up of hormones like testosterone, and in making cell membranes. A glycerol backbone and three fatty acid tails make up a fat molecule.
• Glycerol has three hydroxyl groups and it is small organic molecule. A fatty acid contains 4 to 36 carbons; a typical fatty acid is made up of 12 to 18 carbons. Triglycerides as the name suggests have three identical or three different fatty acid chains.
• Triacylglycerols are nothing but fat molecules. Thereby, fatty acids, glycerol, a phosphate group and a polar molecule constitute phospholipids and they are similar to triglycerides.  

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