Y1S2 010 I Biochem Glycolysis: Cellular Energy Production
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Questions and Answers

What is the primary purpose of glycolysis in cells?

  • To generate energy in the form of ATP and intermediates for other metabolic pathways (correct)
  • To store energy in the form of glycogen
  • To synthesize glucose from non-carbohydrate carbon substrates
  • To convert lactate into pyruvate

Where does glycolysis occur in the cell?

  • Cell cytosol (correct)
  • Mitochondria
  • Golgi apparatus
  • Endoplasmic reticulum

What is the end product of glycolysis under anaerobic conditions?

  • Pyruvate
  • Lactate (correct)
  • Glucose
  • Glyceraldehyde-3-phosphate

What is the purpose of gluconeogenesis?

<p>To synthesize glucose from non-carbohydrate carbon substrates (A)</p> Signup and view all the answers

What is the committed step of glycolysis?

<p>It is not specified (C)</p> Signup and view all the answers

What is the net ATP gain in glycolysis?

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

What is the normal blood glucose value?

<p>65-100 mg/dL (D)</p> Signup and view all the answers

What is the main cause of Type 1 diabetes?

<p>Inability to produce enough insulin (A)</p> Signup and view all the answers

What is the purpose of the Oral Glucose Tolerance Test (OGTT)?

<p>To diagnose diabetes mellitus (D)</p> Signup and view all the answers

What is the purpose of the HbA1c test?

<p>To reflect average blood sugar level over 2-3 months (C)</p> Signup and view all the answers

What is the process of breaking down glycogen into glucose?

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

What is the estimated glucose level range that indicates diabetes mellitus?

<p>≥ 6.5 % (A)</p> Signup and view all the answers

What is the primary condition under which muscles utilize a particular process to generate ATP?

<p>When ATP demand is high and oxygen availability is low (B)</p> Signup and view all the answers

What is the purpose of the Cori cycle in the body?

<p>To prevent lactate accumulation in the muscle (D)</p> Signup and view all the answers

Which hormone inhibits glucose-consuming pathways?

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

What is the effect of insulin on glucose levels in the blood?

<p>Decreases glucose levels (D)</p> Signup and view all the answers

What is the characteristic of diabetes mellitus?

<p>A chronic disorder of carbohydrate, fat, and protein metabolism (A)</p> Signup and view all the answers

Which process is stimulated by glucagon in the liver?

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

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