Asked in ETEA MDCAT 2014 2014Moderate

Polyhydroxy aldehydes or ketones are known as:

Correct answer: A. Carbohydrates

  • A. Carbohydrates
  • B. Proteins
  • C. Lipids
  • D. Vitamins

Explanation

Carbohydrates are defined as polyhydroxy aldehydes or ketones, or compounds that yield them on hydrolysis. Glucose is a polyhydroxy aldehyde, called an aldose, and fructose a polyhydroxy ketone, called a ketose.

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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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