Describe how a Pacinian corpuscle produces a generator potential when pressure is applied.
From Mock B · Paper 2 (topics 5–8)
3.23 marks
Explain why rod cells give greater sensitivity to light but cone cells give greater visual acuity.
From Mock C · Paper 2 (topics 5–8)
62 marks
Explain why the threshold of a receptor allows the body to ignore very weak stimuli.
Score 0 / 8 · 0 of 3 marked
This paper is written by Plasmo in the style of the AQA A-Level Biology exam. It is not a past paper and is not produced or endorsed by the exam board.