Derivatives of Monosaccharides

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Questions and Answers

What type of derivatives can monosaccharides form with multiple hydroxyl groups?

  • Sugar aldehydes
  • Sugar ketones
  • Sugar phosphates (correct)
  • Amino acids

What is the result of oxidation of monosaccharides?

  • Sugar acids (correct)
  • Sugar amines
  • Sugar aldehydes
  • Sugar esters

What type of compounds are formed by reducing the carbonyl group of sugars?

  • Sugar aldehydes
  • Sugar alcohols (correct)
  • Sugar ketones
  • Sugar amines

What is the function of Cu2O in testing for excess sugar in urine?

<p>It forms a red precipitate (C)</p> Signup and view all the answers

What is the result of oxidation of C1 of aldoses?

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

What is the term for the enediol of lactone derived from D-glucaronate?

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

What is the process of converting an OH group to an amino group in a monosaccharide?

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

What type of sugars are building blocks of DNA?

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

What is the simplest type of oligosaccharide?

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

What is the term for the bond that links monosaccharides to form oligo- and polysaccharides?

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

What is the name of the amino derivative derived from galactose?

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

What is the term for sugars that have been modified to have an amino group?

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

What type of sugars are acetals, such as sucrose?

<p>Non-reducing sugars (D)</p> Signup and view all the answers

What is the role of the reducing end in a polysaccharide?

<p>It gives directionality to the polysaccharide (A)</p> Signup and view all the answers

What type of polysaccharide is glycogen?

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

How are polysaccharides synthesized?

<p>By the addition of monosaccharides or disaccharides without a template (B)</p> Signup and view all the answers

What is the classification of polysaccharides based on?

<p>The biological role of the polysaccharide (D)</p> Signup and view all the answers

What is the common monosaccharide unit of amylose, amylopectin, and glycogen?

<p>α-D-glucopyranose (A)</p> Signup and view all the answers

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