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7.3 Homeostasis and thermoregulation

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Question 15
F

An animal cell is placed in a solution that is much more dilute than its cytoplasm.

Why may the cell burst?

[1]
A

water enters by osmosis and its cell wall becomes weaker

B

water leaves by osmosis and it has no supporting cell wall

C

water enters by osmosis and it has no supporting cell wall

D

water leaves by osmosis and its cell wall becomes weaker

Markscheme

7.3 Homeostasis and thermoregulation Questions

  1. GCSE
  2. /Biology
  3. /7.3 Homeostasis and thermoregulation

78 exam-style questions on Edexcel GCSE Biology 7.3 Homeostasis and thermoregulation, covering 7.3.1 Importance of a constant internal environment, 7.3.2 Importance of homeostasis, 7.3.3a Thermoregulation via the skin and hypothalamus, and 7.3.3b Vasoconstriction and vasodilation in thermoregulation. Each one has a worked solution and a mark scheme showing where the marks go.

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