IB Biology HL C1.1.11 Hl Intracellular Vs Extracellular Enzymes Questions

Explore where enzymes act inside cells and how secreted digestive enzymes work outside cells, with pancreatic enzymes and pepsin activation as examples in IB Biology HL C1.1.11.

Exam points

Distinguish intracellular enzymes acting in cytoplasm, organelles or membranes from extracellular enzymes secreted to act outside cells.
Identify pancreatic digestive enzymes and explain pepsinogen secretion followed by activation in the stomach as extracellular examples.

[Maximum number: 1]

What is an example of an intracellular enzyme-catalysed reaction?

Chemical digestion in the gut

Glycolysis in cellular respiration

Blood clotting in the circulatory system

Recycling of acetylcholine in a synapse

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IB Biology HL C1.1.11 Hl Intracellular Vs Extracellular Enzymes Questions question 1