Cellular Respiration: Glycolysis and Glucose Fate

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Questions and Answers

Which enzyme catalyzes the conversion of glucose to glucose 6-phosphate in glycolysis?

  • Amylase
  • Phosphoglycerate kinase
  • Hexokinase (correct)
  • Phosphofructokinase

What is the fate of pyruvate in the absence of oxygen?

  • Forms CO2 + H2O + ATP
  • Converted into glycogen
  • Forms ethylene
  • Forms lactate (correct)

Which enzyme catalyzes the conversion of fructose 6-phosphate to fructose 1,6-bisphosphate in glycolysis?

  • Phosphofructokinase (correct)
  • Triosephosphate isomerase
  • Aldolase
  • Phosphoglycerate kinase

Which of the following is NOT a fate of pyruvate?

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

What is the function of phosphoenolpyruvate (PEP) in glycolysis?

<p>Shifts the position of the phosphate group (C)</p> Signup and view all the answers

Which enzyme catalyzes the conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate in glycolysis?

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

Which enzyme converts glyceraldehyde 3-phosphate to 1,3-bisphosphoglycerate in glycolysis?

<p>Glyceraldehyde 3-phosphate dehydrogenase (A)</p> Signup and view all the answers

'Stage 1' of glycolysis involves which of the following processes?

<p>'Trapping glucose in the cell and modifying it' (D)</p> Signup and view all the answers

'Stage 2' of glycolysis involves which of the following processes?

<p>'Oxidizing 3-carbon compounds to pyruvate' (A)</p> Signup and view all the answers

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