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

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

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

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

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

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

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

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

<p>Cellulose (D)</p> Signup and view all the answers

How many monosaccharide units are typically found in oligosaccharides?

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

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

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

What are two types of polysaccharides based on their composition?

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

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

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

Which component of connective tissue is mentioned in the text?

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

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

<p>Monosaccharides (A)</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 (C)</p> Signup and view all the answers

Which sugars form cyclic hemiacetals and hemiketals?

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

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

<p>Monosaccharides (D)</p> Signup and view all the answers

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

<p>Enantiomers (C)</p> Signup and view all the answers

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