_ is composed of one glycerol and three fatty acids.
Correct answer: B. Triglyceride
- A. Acylglycerol
- B. Triglyceride
- C. Monoglyceride
- D. Diacylglycerol
Explanation
The correct answer is Option B: Triglyceride. Triglycerides are composed of one glycerol molecule and three fatty acids, making them the primary form of fat storage in the body. They provide a concentrated source of energy and help with insulation. Option A, acylglycerol, is a general term that encompasses different types of glycerol and fatty acid structures, not specifically three fatty acids. Option C, monoglyceride, involves only one fatty acid, while Option D, diacylglycerol, includes two fatty acids. Therefore, neither matches the structure described in the question.
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The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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