Anomeric Carbon in Carbohydrates
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Questions and Answers

Which term describes compounds that have the same chemical formula but different structures?

  • Epimers
  • Isomers (correct)
  • Cyclization
  • Enantiomers
  • If two monosaccharides differ in configuration around only one specific carbon atom, except the carbonyl carbon, what are they defined as?

  • Cyclized sugars
  • Isomers
  • Epimers (correct)
  • Enantiomers
  • In sugars, which carbons are numbered first when identifying epimers?

  • Carbons attached to hydroxyl groups
  • Carbonyl carbon and its adjacent carbons (correct)
  • Carbons with asymmetric configuration
  • Carbons farthest from the carbonyl carbon
  • What is the term used to describe pairs of structures that are mirror images of each other?

    <p>Enantiomers</p> Signup and view all the answers

    Which form do monosaccharides predominantly exist in, if they have 5 or more carbons?

    <p>Cyclized form</p> Signup and view all the answers

    What reaction leads to the formation of alpha and beta anomers of glucose?

    <p>Mutarotation</p> Signup and view all the answers

    What is the term used to describe the spontaneous interconversion of the α and β anomeric forms of glucose?

    <p>Mutarotation</p> Signup and view all the answers

    In the formation of sugar ring structures, what is the type of ring structure formed by aldoses called?

    <p>Pyranose</p> Signup and view all the answers

    Which carbon position is labeled as the anomeric carbon in the formation of α and β anomers of glucose?

    <p>Carbon 2</p> Signup and view all the answers

    What is the more thermodynamically favorable form of sugar rings commonly found in nature?

    <p>Chair form</p> Signup and view all the answers

    Which type of ring structure is more kinetically favorable in the formation of sugar rings?

    <p>Furanose</p> Signup and view all the answers

    In sugar ring formation, what reaction leads to the creation of di-, oligo-, and polysaccharides?

    <p>Condensation reaction</p> Signup and view all the answers

    Which term best describes a sugar with 6 carbons?

    <p>Hexose</p> Signup and view all the answers

    What is the term for a six-carbon sugar that forms a ring structure?

    <p>Ketohexose</p> Signup and view all the answers

    In the Fischer projection of glucose, where is the anomeric carbon located?

    <p>At the bottom of the vertical bond</p> Signup and view all the answers

    What process involves the conversion between alpha and beta anomers of glucose?

    <p>Mutarotation</p> Signup and view all the answers

    Which term describes a sugar with an aldehyde group and four carbon atoms?

    <p>Aldotetrose</p> Signup and view all the answers

    What is unique about glyceraldehyde among monosaccharides?

    <p>It has a keto group</p> Signup and view all the answers

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