Carbohydrates: Structure and Function
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Questions and Answers

What is the main function of proteoglycans?

  • Cell membrane stabilization
  • Adhesion, recognition, and information transfer between cells (correct)
  • DNA replication facilitation
  • Energy storage in cells

    • In which type of bacteria can a thick peptidoglycan cell wall be found?

  • Gram-negative bacteria
  • Gram-positive bacteria (correct)
  • Viral bacteria
  • Archaea

    • What is the chemical change that occurs when an aldose undergoes oxidation?

  • Creation of a disaccharide
  • Conversion of an aldehyde into a carboxylic acid (correct)
  • Formation of a ketone group
  • Conversion of a carboxylic acid into an aldehyde

    • Which type of bond attaches carbohydrates to glycolipids?

    <p>Covalent bond</p> Signup and view all the answers

    What are the names given to sugar acids after the oxidation of monosaccharides?

    <p>-onic acids</p> Signup and view all the answers

    Which of the following is NOT an example of a proteoglycan?

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

    Which type of carbohydrate is made up of more than 10 monosaccharide units?

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

    What provides strength to plant cell walls and consists of the repeating disaccharide cellobiose?

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

    How many monosaccharide units are typically found in oligosaccharides?

    <p>3-10</p> Signup and view all the answers

    Which sugars differ only in the configuration around one carbon atom?

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

    What are two types of polysaccharides based on their composition?

    <p>Homopolysaccharides and Heteropolysaccharides</p> Signup and view all the answers

    Which type of sugar units are linked by glycosidic bonds in disaccharides?

    <p>Two identical monosaccharide units</p> Signup and view all the answers

    Which component of connective tissue is mentioned in the text?

    <p>Hyaluronic acid</p> Signup and view all the answers

    What is the classification of sugars that do not undergo hydrolysis?

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

    Which group of sugars can be classified based on the number of carbon atoms they contain?

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

    Which sugars form cyclic hemiacetals and hemiketals?

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

    What type of sugars have two cyclic forms known as Pyranose and Furanose?

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

    Which term describes two sugars that are mirror images of each other?

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

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