HUMAN NUTRITION

NUTRITION

LIPIDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is true about lipids?
A
They are inorganic
B
They are mostly made up of nitrogen
C
They do not dissolve in water
D
All of the above
Explanation: 

Detailed explanation-1: -They are water insoluble. Lipids are non-polar molecules while water is polar molecule, so there is no way for water to attach to a lipid molecule.

Detailed explanation-2: -Lipid structure-lipids have long nonpolar chains of carbon atoms which adversely affects its solubility in water. Based on the above discussion, it is clear that lipids are insoluble in water because they are hydrophobic. So, the correct answer is (B)-Hydrophobic.

Detailed explanation-3: -Answer and Explanation: The incorrect statements with regard to lipids is A. When a saturated fat is converted to an unsaturated fat, it is no longer a lipid and C. Lipids are the one class of large biological molecules that do not form polymers.

There is 1 question to complete.