A chemical blocks communication between a coordination centre and an effector. The receptor remains functional. Which event can still occur?
The change is detected, but the response needed to restore the optimum may not occur.
The optimum is restored, but the change cannot be detected by any receptor.
The effector processes the information, but the coordination centre cannot receive it.
The external condition is kept constant, but the internal condition cannot change.
40 exam-style questions on AQA GCSE Biology 5.1 Homeostasis, covering 5.1 Homeostasis. Each one has a worked solution and a mark scheme showing where the marks go.