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?

Brain tissue (C) Signup and view all the answers

What does the term 'glycemic response' refer to?

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

What is the glycemic index (GI) used for?

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

What are high-GI foods known for?

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

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

Elevated blood glucose and insulin levels over extended periods are associated with obesity and the development of chronic diseases like type 2 diabetes (A) 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)?

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