7402 Samenvattingen, Aantekeningen en Examens

This is AQA A LEVEL BIOLOGY PAPER 1 JUNE 2023 QUESTION PAPER (7402/1) genuine and accurate for best scores

AQA A LEVEL BIOLOGY PAPER 2 JUNE 2023 QUESTION PAPER (7402/2) 2023/8/31 Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature A-level BIOLOGY Paper 1 I declare this is my own work. Time allowed: 2 hours Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • An...

A-level BIOLOGY 7402/2 Paper 2 Mark scheme June 2023 Version: 1.0 Final

aqa A-level BIOLOGY Paper 3 (7402/3) June 2023 Question Paper. 1. Describe how stimulation of a Pacinian corpuscle produces a generator potential. 2. Use Figure 1 to describe what is meant by the all-or-nothing principle. 3. On Figure 1, from 0.6 ms to 4.0 ms, no new generator potential could be produced. What is this time period called?. 4. A student investigated the effect of different sugars on the rate of respiration in yeast. Yeast normally respires glucose.Figure 2 shows the method she us...

AQA A-level BIOLOGY 7402/3 Paper 3 Mark scheme June 2023