7402 2 - Study guides, Class notes & Summaries

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aqa A-level BIOLOGY Paper 3 (7402/3) June 2023 Question Paper
Exam (elaborations) • 48 pages • 2023

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...

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AQA7402 BIOLOGY PAPER 2 2024 QUESTION PAPER (7402-2)

AQA7402 BIOLOGY PAPER 2 2024 QUESTION PAPER (7402-2)
Exam (elaborations) • 36 pages • 2024
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AQA A LEVEL BIOLOGY PAPER 2 2024 QUESTION PAPER (7402-2)

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AQA A LEVEL BIOLOGY PAPER 2 MARK SCHEME 2023 (7402/2)
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AQA A LEVEL BIOLOGY PAPER 2 MARK SCHEME 2023 (7402/2)

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AQA BIOLOGY A LEVEL JUNE 2022 7402 PAPER 1, PAPER 2 & PAPER 3 and MARKSCHEMES
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Qontains AQA BIOLOGY A LEVEL JUNE 2022 7402 PAPER 1, PAPER 2 & PAPER 3 and MARKSCHEMES

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AQA 7402-1 BIOLOGY A LEVEL PAPER 1 MAY 2023

AQA 7402-1 BIOLOGY A LEVEL PAPER 1 MAY 2023
Exam (elaborations) • 36 pages • 2023

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...