Disaccharides in Biochemistry
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Questions and Answers

What is the characteristic of disaccharides?

  • They are crystalline and water-soluble (correct)
  • They are bitter to taste and crystalline
  • They are sweet to taste and insoluble in water
  • They are non-crystalline and insoluble in water

What type of glycosidic bond is present in maltose?

  • α(1,4) glycosidic bond (correct)
  • β(1,4) glycosidic bond
  • α(1,2) glycosidic bond
  • β(1,2) glycosidic bond

Which of the following is an example of a reducing disaccharide?

  • Maltose (correct)
  • Trehalose
  • Sucrose
  • Lactose

What is the composition of lactose?

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

What is the common name for sucrose?

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

Which disaccharide consists of two molecules of glucose?

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

What is the primary function of starch in plants?

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

What is the composition of amylose in starch?

<p>Long unbranched chain with α (1→4) glycosidic linkages (D)</p> Signup and view all the answers

What is the percentage of amylopectin in starch?

<p>80-85% (C)</p> Signup and view all the answers

Where is glycogen primarily found in animals?

<p>Liver, followed by muscle, brain, etc. (B)</p> Signup and view all the answers

What is the term for polysaccharides composed of a single type of sugar monomer?

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

What type of bonds are present at the branching points of amylopectin?

<p>α (1→6) glycosidic bonds (A)</p> Signup and view all the answers

What is the general formula of disaccharides?

<p>Cn(H2O)n-1 (B)</p> Signup and view all the answers

Which type of bond is present in maltose?

<p>Alpha-1,4 glycosidic bond (A)</p> Signup and view all the answers

Which of the following disaccharides is made up of glucose and fructose?

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

What is the main carbohydrate component of milk sugar?

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

How many monosaccharide molecules do oligosaccharides contain?

<p>2-10 (A)</p> Signup and view all the answers

Which type of bond is present in sucrose?

<p>Alpha-1,2 glycosidic bond (B)</p> Signup and view all the answers

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