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Multiple Choice
Which of the following best describes the primary monomeric components of most lipids?
A
Amino acids
B
Monosaccharides
C
Fatty acids and glycerol
D
Nucleotides
Verified step by step guidance
1
Understand the question: The problem is asking about the primary monomeric components of most lipids. Lipids are a class of biomolecules that include fats, oils, and phospholipids, and their structure is key to answering this question.
Recall the structure of lipids: Most lipids are composed of fatty acids and glycerol. Fatty acids are long hydrocarbon chains with a carboxyl group (-COOH) at one end, while glycerol is a three-carbon molecule with hydroxyl groups (-OH) attached to each carbon.
Eliminate incorrect options: Amino acids are the building blocks of proteins, not lipids. Monosaccharides are the monomeric units of carbohydrates, and nucleotides are the monomeric units of nucleic acids. These do not describe the primary components of lipids.
Focus on the correct components: Fatty acids and glycerol are the correct answer because they are the fundamental building blocks of triglycerides and phospholipids, which are common types of lipids.
Summarize the reasoning: The primary monomeric components of most lipids are fatty acids and glycerol, as these are the molecules that combine to form the structure of lipids through esterification reactions.