Biochemistry: D-glucose and Cellulose Digestion
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Questions and Answers

What type of sugar is sucrose?

  • Galactose + Glucose
  • Glucose + Glucose
  • Glucose + Fructose (correct)
  • Fructose + Fructose

What is the cleavage product of starch?

  • Maltose (correct)
  • Lactose
  • Fructose
  • Sucrose

Which sugar is the most important carbohydrate in the milk of mammals?

  • Sucrose
  • Fructose
  • Lactose (correct)
  • Maltose

What kind of linkages does amylose have?

<p>(1→4) linkages (C)</p> Signup and view all the answers

Why can't humans digest cellulose effectively?

<p>Due to lacking enzymes for breaking glycosidic linkages (D)</p> Signup and view all the answers

What kind of linkages are present in amylopectin?

<p>(1→4) and (1→6) linkages (D)</p> Signup and view all the answers

What classification is based on the presence of an aldehyde or ketone group in monosaccharides?

<p>Number of carbon atoms (A)</p> Signup and view all the answers

Which type of sugar has a keto group?

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

What determines whether a sugar belongs to the D or L series?

<p>Orientation of H and OH groups around a specific carbon (B)</p> Signup and view all the answers

Which form of D-glucose is commonly used as a carbohydrate supplementation?

<p>Both α-D-glucose and β-D-glucose (C)</p> Signup and view all the answers

What is the main difference between α-D-glucose and β-D-glucose?

<p>Orientation of the hydroxyl group at a specific carbon (A)</p> Signup and view all the answers

Which type of disaccharide is sucrose?

<p>Glucose + Fructose (D)</p> Signup and view all the answers

In the nomenclature, what suffix is used for aldose sugars based on the number of carbon atoms?

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

Which disaccharide is formed by the combination of two glucose molecules?

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

What is the major disaccharide found in milk?

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

Which of the following is a polysaccharide found in animals for glucose storage?

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

Which polysaccharide is responsible for providing strength and rigidity to plant cell walls?

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

What type of linkage does cellulose have between its glucose units?

<p>β(1→4) (A)</p> Signup and view all the answers

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