Nutritional Biochemistry and Metabolism I Carbohydrate Metabolism Lec5 Quiz
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Questions and Answers

What is the primary function of glycolysis?

  • Synthesis of glucose from noncarbohydrate sources
  • Breakdown of glycogen
  • Production of five-carbon monosaccharides and NADPH
  • Oxidation of glucose to pyruvate (correct)

Which process occurs when oxygen is available for respiratory chain?

  • Breakdown of glycogen
  • Conversion of pyruvate to lactate
  • Synthesis of glucose from noncarbohydrate sources
  • Oxidation of glucose to pyruvate (correct)

What type of cells lack mitochondria and convert pyruvate to lactate in the absence of oxygen?

  • Kidney cells
  • Liver cells
  • Red blood cells (correct)
  • Muscle cells

Which type of tissue does not require insulin for glucose transport?

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

What does the term 'glycemic response' refer to?

<p>The change in blood glucose levels after consuming a carbohydrate-containing food (A)</p> Signup and view all the answers

What is the glycemic index (GI) used for?

<p>To measure the glycemic effect of a specific food by comparing its effect on blood glucose levels to white bread (C)</p> Signup and view all the answers

What are high-GI foods known for?

<p>Causing a quick rise in blood glucose and insulin levels followed by a rapid decline (D)</p> Signup and view all the answers

Why is the glycemic response significant in controlling blood glucose levels and insulin release?

<p>Elevated blood glucose and insulin levels over extended periods are associated with obesity and the development of chronic diseases like type 2 diabetes (A)</p> Signup and view all the answers

What is the purpose of using glucose or white bread as a reference food for determining the glycemic index (GI)?

<p>To compare the effect of other foods on blood glucose levels (B)</p> Signup and view all the answers

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