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Exam (elaborations)

Paper 3 biology aqa paper 2023 questions with complete solutions.
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3

June 2024

2023/2024

A+
Paper 3 biology aqa paper 2023 questions with complete solutions. Describe uhow upacing ucorpuscle uproduces ugenerator upotential 3 umarks u- u u u ucorrect uanswer.Stretch umediated usodium uion uchannels, Sodium uchannels uopen, Sodium uions udiffuse uin All uor unothing uprinciple 2 umarks u- u u u ucorrect uanswer.Action upotential uonly ugenerated uwhen uthreshold uis ureached u, High upressure uis uabove ustimulus, Time uperiod ubetween u0.6 uand u4.0 1 umark u- ...
drDON
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Exam (elaborations)

Paper 3 biology aqa paper 2023
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3

May 2024

2023/2024

A+
3 marks - answer-Stretch mediated sodium ion channels, Sodium channels open, Sodium ions diffuse in All or nothing principle 2 marks - answer-Action potential only generated when threshold is reached , High pressure is above stimulus, Time period between 0.6 and 4.0 1 mark - answer-Refractory period Two variable to control in respiration yeast experiment 1 mark - answer-Mass of glucose, Mass of yeast Yeast rate of co2 production 2 marks - answer-2.5 x10-2 Why was ...
TOPDOCTOR
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