Multiple Choice
Which of the following is the most abundant source of carbohydrates?
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4. Biomolecules
Carbohydrates
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Which of the following are the building blocks of complex carbohydrates?
A
Amino acids
B
Monosaccharides
C
Fatty acids
D
Nucleotides
Verified step by step guidance1
Understand the question: The problem is asking for the building blocks of complex carbohydrates. Complex carbohydrates are macromolecules made up of smaller units.
Recall the definition of complex carbohydrates: These are polysaccharides, which are long chains of sugar molecules. They are formed by linking smaller sugar units called monosaccharides through glycosidic bonds.
Review the options provided: Amino acids are the building blocks of proteins, fatty acids are components of lipids, and nucleotides are the building blocks of nucleic acids. Monosaccharides are the correct building blocks for complex carbohydrates.
Connect the concept: Monosaccharides, such as glucose, fructose, and galactose, are simple sugars that combine to form polysaccharides like starch, glycogen, and cellulose.
Conclude the reasoning: Based on the definitions and functions of the options provided, monosaccharides are the correct answer as they are the fundamental units that make up complex carbohydrates.
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