Which carbohydrate can be used by the body as an immediate source of energy?
glucose
cellulose
chitin
glycogen

The correct answer is option glucose.

The glucose can be used as the immediate source of the energy. The cells can utilize the glucose to form the ATP molecules, which can be used as a source of energy by the body of the organism. The cellulose, chitin, and the glycogen are the polymers, they can only be utilized, once they are broken down into simpler forms.

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