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Questions and Answers
Which of the following is NOT a classification of carbohydrates?
Which of the following is NOT a classification of carbohydrates?
- Monosaccharide (correct)
- Oligosaccharide
- Disaccharide
- Polysaccharide
What is the chemical formula for glucose?
What is the chemical formula for glucose?
- C6H6O6
- C6H12O11
- C6H12O6 (correct)
- C12H22O11
How many chiral carbons are there in glucose?
How many chiral carbons are there in glucose?
- 4 (correct)
- 6
- 2
- 8
What determines whether a chiral compound is an L or D stereoisomer?
What determines whether a chiral compound is an L or D stereoisomer?
Which monosaccharide has a unique atomic arrangement from glucose and fructose?
Which monosaccharide has a unique atomic arrangement from glucose and fructose?
What are disaccharides?
What are disaccharides?
Which of the following is NOT a type of carbohydrate chemistry?
Which of the following is NOT a type of carbohydrate chemistry?
What is the functional group present in monosaccharides?
What is the functional group present in monosaccharides?
In which form do monosaccharides exist?
In which form do monosaccharides exist?
What is the classification of carbohydrates based on their glycemic response?
What is the classification of carbohydrates based on their glycemic response?
Which type of bond is found in maltose?
Which type of bond is found in maltose?
Which disaccharide is found in milk?
Which disaccharide is found in milk?
Which oligosaccharide is found in onions?
Which oligosaccharide is found in onions?
Which polysaccharide is the storage form of energy in plants?
Which polysaccharide is the storage form of energy in plants?
Which enzyme is resistant to the digestion of non-starch polysaccharides?
Which enzyme is resistant to the digestion of non-starch polysaccharides?
Where is glycogen primarily stored in the body?
Where is glycogen primarily stored in the body?
Which carbohydrate is classified as a monosaccharide?
Which carbohydrate is classified as a monosaccharide?
Which carbohydrate is classified as a polysaccharide?
Which carbohydrate is classified as a polysaccharide?
Which carbohydrate is classified as a disaccharide?
Which carbohydrate is classified as a disaccharide?
Which carbohydrate is classified as a complex carbohydrate?
Which carbohydrate is classified as a complex carbohydrate?
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Study Notes
Carbohydrate Classifications
- Carbohydrates are classified into four groups: monosaccharides, disaccharides, oligosaccharides, and polysaccharides
- However, complex carbohydrate is not a classification of carbohydrates
Glucose
- The chemical formula for glucose is C6H12O6
- Glucose has 4 chiral carbons
Stereoisomers
- Whether a chiral compound is an L or D stereoisomer is determined by the arrangement of atoms around its chiral center
Monosaccharides
- Glucose and fructose have similar atomic arrangements, but galactose has a unique atomic arrangement
- Monosaccharides exist as ring structures
- The functional group present in monosaccharides is a hydroxyl group (-OH)
Disaccharides
- Disaccharides are formed by the condensation reaction of two monosaccharides
- Maltose is a disaccharide that contains an alpha-1,4 glycosidic bond
- Lactose is a disaccharide found in milk
Oligosaccharides and Polysaccharides
- Fructan is an oligosaccharide found in onions
- Starch is a polysaccharide that serves as the storage form of energy in plants
- Cellulase is an enzyme that is resistant to the digestion of non-starch polysaccharides
Glycemic Response and Storage
- Carbohydrates can be classified based on their glycemic response
- Glycogen is primarily stored in the liver and muscles
Examples of Carbohydrates
- Glucose is a monosaccharide
- Cellulose is a polysaccharide
- Sucrose is a disaccharide
- Fiber is a complex carbohydrate
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