Aqa alevel biology - Study guides, Class notes & Summaries

ALevel AQA Biology, AQA ALEVEL BIOLOGY Exam @ 2023...

This document contains the AQA A-Level Biology Paper 1 from the 2024 exam series, get yours now to prepare for mocks and revision. *Mark scheme is also available to buy separately or in a package deal

This document contains the AQA A-Level Biology Paper 2 Mark Scheme from the 2024 exam series, get yours now to prepare for mocks and revision. *Mark scheme is also available to buy separately or in a package deal with question paper

2023 AQA Alevel BIOLOGY 7402/3 Paper 3 Question Paper & Mark scheme (Merged)|| newest 2024 Describe how oxygen in the air reaches capillaries surrounding alveoli in lungs ANSWERTrachea and bronchi and bronchioles; Down pressure gradient; Down diffusion gradient; Across alveolar epithelium; Across capillary endothelium/epithelium; Difference between species richness and index of diversity ANSWERSpecies richness measures only number of (different) species / does not measure number ...

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2023 AQA Alevel BIOLOGY 7402/3 Paper 3 Question Paper & Mark scheme (Merged)|| newest 2024 What type of theory can cell theory be described as? ANSWERA unifying concept What is a unifying concpet? ANSWERA concept that is universally accepted among the scientific community What are the three main ideas that Cell Theory states? ANSWER- All living organisms are made up of one or more cells -Cells are the basic functional unit - New cells are produced from pre-existing cells Describ...

AQA A-LEVEL Biology paper 1 .2020. complete real exam questions and answers ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS WITH RATIONALES ALREADY GRADED A+ What are monomers? - CORRECT ANSWER-The smaller units from which larger molecules are made What are polymers? - CORRECT ANSWER-Molecules made from a large number of monomers joined together What are examples of monomers? - CORRECT ANSWER-Monosaccharides, amino acids and nucleotides What happens in a condensation reaction? - CORRECT AN...

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