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Carbohydrates Overview Quiz

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Questions and Answers

What is the general formula for many simpler carbohydrates?

(CH₂O)n, where n ≥ 3 (correct)

(C₆H₁₂O₆)n

(C₁₂H₂₂O₁₁)n

(C₆H₁₀O₅)n

Which type of carbohydrate contains only 1 sugar unit?

Monosaccharides (correct)

Polysaccharides

Oligosaccharides

Disaccharides

What are carbohydrates with 3 to 9 sugar units classified as?

Disaccharides

Monosaccharides

Polysaccharides

Oligosaccharides (correct)

Which of the following is an example of a hexose?

Glucose Signup and view all the answers

How many carbon atoms are in pentoses?

5 Signup and view all the answers

What type of carbonyl group is present in aldoses?

Aldehyde group Signup and view all the answers

What is one of the primary functions of carbohydrates in living organisms?

Acting as an energy source Signup and view all the answers

Which of the following carbohydrates is a ketose?

Fructose Signup and view all the answers

Which of the following best describes carbohydrates?

The most abundant organic molecules Signup and view all the answers

Which carbohydrates share the same chemical formula of $C_6H_{12}O_6$?

Glucose, fructose, mannose, and galactose Signup and view all the answers

Which carbohydrate is not an aldose?

Fructose Signup and view all the answers

In addition to being an energy source, what is another crucial function of carbohydrates?

To serve as a structural component Signup and view all the answers

What defines isomers?

Compounds with the same chemical formula but different structures Signup and view all the answers

How do carbohydrates contribute to cellular communication?

By serving as cell membrane components Signup and view all the answers

Which of the following statements about carbohydrates is accurate?

They serve multiple functions, including energy storage and structural support. Signup and view all the answers

What defines epimers among carbohydrate isomers?

They differ in configuration around only one specific carbon atom. Signup and view all the answers

Which pair of sugars are considered C-4 epimers?

Glucose and galactose Signup and view all the answers

What is the characteristic of enantiomers?

They are mirror images of each other. Signup and view all the answers

In the D isomeric form of sugars, where is the OH group located?

On the right of the symmetric carbon Signup and view all the answers

Which statement about D- and L-sugars is correct?

D-sugars have the OH group on the right. Signup and view all the answers