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What characterizes a complex carbohydrate?

  1. It is high in sugar

  2. It is made up of many glucose molecules

  3. It is found only in animal products

  4. It is low in fiber

The correct answer is: It is made up of many glucose molecules

A complex carbohydrate is characterized by its structure, which consists of long chains of sugar units, primarily glucose. These chains can be branched or unbranched and can contain hundreds or even thousands of glucose molecules linked together. This structure allows complex carbohydrates to provide a sustained source of energy as they take longer to digest compared to simple carbohydrates. Additionally, complex carbohydrates are typically found in foods that are high in fiber, such as whole grains, legumes, and vegetables. This fiber content plays a crucial role in digestive health and can aid in maintaining stable blood sugar levels, further distinguishing complex carbohydrates from simple ones, which are often sugary and quickly digested. By understanding the characteristics of complex carbohydrates, one can appreciate the nutritional benefits they offer, particularly in a balanced diet.