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a level biology aqa markscheme

  • Exam (elaborations)

    a level biology aqa markscheme

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    10
    May 2025
    2024/2025
    A+
  • adaptations that maintain high rate of photosynthesis - correct answerlots of chloroplast=absorb light light senstive eyespot=detect light flagellum=enables movement to light advantage of using natural fertiliser rather than artificial - correct answeracts as soil conditioner/increases organic content of soil wider range of elements production of artificial fertiliser energy consuming less leaching advantages of using chemical pesticides to control pests of crops - correct answeracts...
  • innstan
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A-level Biology AQA paper 1 2019 Correct 100%

  • Exam (elaborations)

    A-level Biology AQA paper 1 2019 Correct 100%

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    3
    June 2024
    2023/2024
    A+
    Available in bundle
  • Describe how a non-competitive inhibitor can reduce the rate of an enzyme controlled reaction - ANSWERBinds away from active site Changes shape of active site So no longer complementary so less substrate can bind How to identify a competitive inhibitor - ANSWERWith the inhibitor, it increases substrate conc + doesent change rate of reaction No large lipid droplets are visible with the optical microscope in the samples from suspension A. Explain why - ANSWEREmulsification Cant be seen...
  • papersbyjol
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AQA A-Level Biology Paper 1; A+ GRADED

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    AQA A-Level Biology Paper 1; A+ GRADED

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    5
    March 2023
  • AQA A-level Biology paper 1; 100% CORRECT SOLUTIONS AQA A-Level Biology Paper 1; A+ GRADED QA A Level Biology Unit 1 (Questions with correct answers)
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    $20.99 More Info
A-level biology AQA (Questions with 100% correct answers)

  • Exam (elaborations)

    A-level biology AQA (Questions with 100% correct answers)

  • Available in bundle
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    3
    March 2023
    2022/2023
    A+
    Available in bundle
  • give the two types of molecule from which a ribosome is made correct answers - protein - RNA describe the role of a ribosome in the production of a polypeptide correct answers - mRNA binds to ribosome - idea of two codons/ binding sites - allows tRNA with anti-codons to bind/associate - catalyses formation of peptide bonds between amino acids held by tRNa molecules - moves along mRNA to the next codon - polypeptide produced describe the structure of glucose correct answers - polysa...
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