Carbohydrates Biochemistry Quiz

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Questions and Answers

What is the general formula for carbohydrates?

  • (CH3O)n
  • (CH2O)n (correct)
  • (CHO)n
  • (CO)n

Which monosaccharide is a ketose with 5 carbons?

  • Arabinose
  • Ribulose (correct)
  • Ribose
  • Xylose

What is the difference between enantiomers and diastereomers?

  • Enantiomers have different configurations, while diastereomers have the same molecular formula but differ in structure.
  • Enantiomers are mirror images of each other, while diastereomers have the same molecular formula and structure. (correct)
  • Enantiomers have the same molecular formula but differ in configuration, while diastereomers are mirror images of each other.
  • Enantiomers have different structures, while diastereomers have the same molecular formula and sequence of bonded atoms.

Which type of isomerism refers to compounds with the same molecular formula but different structures?

<p>Structural isomers (A)</p> Signup and view all the answers

What is the most common form in which carbohydrates exist?

<p>Aldose (B)</p> Signup and view all the answers

Flashcards

Carbohydrate Formula

The general formula is (CH2O)n, where n represents the number of carbon atoms.

Ribulose

Ribulose is a ketose monosaccharide with 5 carbon atoms.

Enantiomers vs. Diastereomers

Enantiomers are mirror images, while diastereomers share the same formula and structure but aren't mirror images.

Structural Isomers

Structural isomers have the same molecular formula but different bonding arrangements.

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Common Carbohydrate Form

Aldoses, which contain an aldehyde group, are the most common form of carbohydrates.

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