The smaller molecules that make up complex carbohydrates are called
A. sugars
B. amino acids
C. fatty acids
D. nucleotides
To find the answer to this question, we need to understand what complex carbohydrates are and what their building blocks are called.
Complex carbohydrates are large molecules made up of repeating units of sugar molecules. These sugar molecules are commonly known as monosaccharides. Therefore, the smaller molecules that make up complex carbohydrates are called sugars.
So, the correct answer is A. sugars.