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Forensic Science - University of Heritage, 1st Year Biology: Glycolysis

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Forensic Science - University of Heritage, 1st Year Biology: Glycolysis

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Questions and Answers

Which molecule is the end product of glycolysis?

Pyruvate (correct)

NADH

Glucose-6-phosphate

ATP

What is the role of hexokinase in glycolysis?

Shielding the negative charges from the phosphate groups on the ATP molecule

Catalyzing the conversion of glucose-6-phosphate into pyruvate

Transporting glucose from outside the cell into the cell’s cytosol

Catalyzing the conversion of D-glucose into glucose-6-phosphate (correct)

Where does glycolysis take place within the cell?

Mitochondria

Endoplasmic reticulum

Nucleus

Cytosol (correct)

What is the result of the phosphorylation process mentioned in the text?

Glucose-6-phosphate (G6P) Signup and view all the answers

Which enzyme catalyzes the rearrangement of glucose 6-phosphate (G6P) into fructose 6-phosphate (F6P)?

Phosphoglucose Isomerase Signup and view all the answers

What is the role of magnesium in the third step of glycolysis?

Shields negative charges during the reaction Signup and view all the answers

What is the main function of aldolase in glycolysis?

Catalyzing the cleavage of fructose 1,6-bisphosphate into two 3-carbon molecules Signup and view all the answers

Which molecule is the only one that continues in the glycolytic pathway after the action of triosephosphate isomerase?

Glyceraldehyde 3-phosphate (GAP) Signup and view all the answers

Which enzyme rapidly inter-converts dihydroxyacetone phosphate (DHAP) and glyceraldehyde 3-phosphate (GAP) in glycolysis?

Triosephosphate isomerase Signup and view all the answers

What is the role of glyceraldehyde-3-phosphate dehydrogenase (GAPDH) in glycolysis?

Dehydrogenating and adding an inorganic phosphate to glyceraldehyde 3-phosphate Signup and view all the answers