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

Practise IB Biology HL 1.1.11 by applying intracellular vs. extracellular enzymes concepts to exam questions.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

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.

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

[Maximum number: 1]

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

A

Chemical digestion in the gut

B

Glycolysis in cellular respiration

C

Blood clotting in the circulatory system

D

Recycling of acetylcholine in a synapse

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