All of the following are carbohydrate EXCEPT:
Correct answer: B. Collagen
- A. Glycogen
- B. Collagen
- C. Starch
- D. Cellulose
Explanation
The correct answer is Option B: Collagen. Collagen is a protein, not a carbohydrate, and is essential for the structure and strength of various tissues in the body. Glycogen (Option A), Starch (Option C), and Cellulose (Option D) are all carbohydrates with distinct functions in energy storage (Glycogen), food sources (Starch), and plant cell structure (Cellulose) respectively.
This question appeared on the ETEA MDCAT 2009 paper, which you can sit online with every answer explained.
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About Carbohydrates
Carbohydrates are organic compounds classified as monosaccharides, disaccharides and polysaccharides according to their structure and hydrolysis products. The topic covers glycosidic bonds, glucose and fructose, sucrose, lactose and maltose, starch, glycogen and cellulose, along with their roles in energy storage, structural support and food tests.
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