NURSING ANM AND GNM

NURSING EXAM QUESTIONS

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Wax is an example of a ____
A
lipid
B
carbohydrate
C
nucleic acid
D
protein
Explanation: 

Detailed explanation-1: -A wax is a simple lipid which is an ester of a long-chain alcohol and a fatty acid. The alcohol may contain from 12-32 carbon atoms. Waxes are found in nature as coatings on leaves and stems.

Detailed explanation-2: -Lipids are compounds that are insoluble in water but are soluble in organic solvents such as ether and chloroform. Lipids that are important to our discussion include fats and oils (triglycerides or triacyglycerols), fatty acids, phospholipids, and cholesterol.

Detailed explanation-3: -The correct answer is simple lipids.

Detailed explanation-4: -Beeswax-produced by honey bees. Chinese wax-produced by the scale insect Ceroplastes ceriferus. Lanolin (wool wax)-from the sebaceous glands of sheep. Shellac wax-from the lac insect Kerria lacca. Spermaceti-from the head cavities and blubber of the sperm whale.

There is 1 question to complete.