Carbohydrates: Classification and Types

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Questions and Answers

What is the main difference between starch and cellulose?

  • Starch is digestible while cellulose is not (correct)
  • Cellulose is used to produce beer
  • Starch is found in plant cell walls
  • Cellulose is a disaccharide

What is the smallest unit of carbohydrate?

  • Disaccharide
  • Oligosaccharide
  • Monosaccharide (correct)
  • Polysaccharide

Which of the following is NOT a function of fructose?

  • Sweetest sugar
  • Used in production of beer
  • Provides energy
  • Repeating unit in starch (correct)

What is the primary reason why some people are unable to digest lactose?

<p>They lack the enzyme to break down lactose (B)</p> Signup and view all the answers

What is the purpose of starch in the body?

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

Why can cows digest cellulose but not humans?

<p>Cows have different enzymes in their digestive system (B)</p> Signup and view all the answers

What is the approximate energy yield of carbohydrates per gram?

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

Which of the following foods has the highest water content?

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

What is the primary function of water in cooking foods?

<p>Acts as a solvent (B)</p> Signup and view all the answers

What is the energy yield of lipids per gram?

<p>9 (C)</p> Signup and view all the answers

Why are carbohydrates in fiber not absorbed by the human body?

<p>They are not digested by human enzymes (D)</p> Signup and view all the answers

What type of bonds are found in cellulose, a polysaccharide?

<p>α glycosidic bonds (D)</p> Signup and view all the answers

What is the primary function of saturated fatty acids in food?

<p>To provide energy (B)</p> Signup and view all the answers

What is the result of combining two incomplete-protein foods that supply the amino acids missing in each other?

<p>A complete protein profile (D)</p> Signup and view all the answers

What is the common structure shared by all amino acids?

<p>A carbon with 3 groups attached to it (A)</p> Signup and view all the answers

What is a characteristic of complete proteins?

<p>They contain all essential amino acids (B)</p> Signup and view all the answers

What is the function of lipids in food that contributes to the feeling of fullness?

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

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