NURSING ANM AND GNM

NURSING EXAM QUESTIONS

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Waterproofs, insulates, and stores energy long-term
A
Carbohydrates
B
Lipids
C
Proteins
D
Nucleic Acids
Explanation: 

Detailed explanation-1: -In organisms, lipids are a dietary source of energy and a method of long-term energy storage. They provide waterproof coverings, and lipids make up the membranes of cells and most organelles. They serve as chemical messengers, and they provide thermal insulation for the bodies and organs of animals.

Detailed explanation-2: -Hydrophobic. Oils are used in the fur / feathers of animals as waterproofing. This is because the lipid tail of molecule is hydrophobic as the water is polar. They are good insulators as they have thick fat layers that trap air inside.

There is 1 question to complete.