NURSING ANM AND GNM

NURSING EXAM QUESTIONS

HUMAN ANATOMY PHYSIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Lipid that contains two fatty acid molecules and a phosphate group combined with a glycerol molecule
A
Steroid
B
Phospholipid
C
Triglyceride
D
Cholesterol
Explanation: 

Detailed explanation-1: -Phospholipids (PL) are a group of polar lipids that consist of two fatty acids, a glycerol unit and a phosphate group which is esterified to an organic molecule (X) such as choline, ethanolamine, inositol, etc.

Detailed explanation-2: -Glycerol and Fatty Acids 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.

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