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Questions and Answers
What is the classification of monosaccharides based on the number of carbon atoms?
What is the classification of monosaccharides based on the number of carbon atoms?
What is the cause of lactose intolerance as mentioned in the text?
What is the cause of lactose intolerance as mentioned in the text?
Which compound represents a ketohexose?
Which compound represents a ketohexose?
What type of bond links two monosaccharides in maltose?
What type of bond links two monosaccharides in maltose?
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Which compound is an example of a disaccharide?
Which compound is an example of a disaccharide?
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Study Notes
Monosaccharide Classification
- Monosaccharides are classified based on their number of carbon atoms.
- Trioses have three carbon atoms.
- Tetroses have four carbon atoms.
- Pentoses have five carbon atoms.
- Hexoses have six carbon atoms.
- Heptoses have seven carbon atoms.
Lactose Intolerance
- Lactose intolerance occurs due to the deficiency or absence of lactase, the enzyme responsible for breaking down lactose.
- Lactase deficiency leads to the accumulation of undigested lactose in the intestines.
- Undigested lactose ferments in the intestines, producing gas and other byproducts causing symptoms like bloating, cramps, and diarrhea.
Ketohexose
- Fructose, a six-carbon sugar with a ketone group, is a ketohexose.
Maltose Bond
- Maltose is a disaccharide formed by the glycosidic linkage of two glucose molecules.
- The glycosidic bond is an α(1→4) bond, meaning the first glucose molecule is linked to the fourth carbon atom of the second glucose molecule.
Disaccharide Example
- Maltose is an example of a disaccharide.
- It is a disaccharide composed of two glucose molecules linked together by a glycosidic bond.
- Maltose is found in barley, wheat, and rice.
- It is produced when starch is hydrolyzed.
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Description
Test your knowledge of carbohydrates chemistry and metabolism with this quiz covering the origin of the term 'carbohydrate' and the classification of carbohydrates based on the number of sugar units.
