7402 1 - Study guides, Class notes & Summaries

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...

AQA A-level BIOLOGY 7402/1 Paper 1 Mark scheme June 2023

AQA A-level BIOLOGY 7402/1 Paper 1 Question Paper + Mark scheme [MERGED] June 2022

AQA A-level BIOLOGY 7402/1 Paper 1 MS 2023 V1.0 Final

aqa A-level BIOLOGY Paper 1(7402/1) JUNE 2023 QUESTION PAPER

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...

0 1 . 1 Give the three structural features found in all virus particles and describe the function of one of these features. [2 marks] 1 2 3 Function of one named feature 0 1 . 2 Explain why viruses are described as acellular and non-living. [2 marks] 0 1 . 3 Give one reason why antibiotics are not effective against viruses. [1 mark] 5 3 *03* Turn over ► IB/M/Jun23/7402/1 Do not write outside the 0 2 box . 1 Chitin is a polysaccharide. The chitin monomer is a β-glucose mol...