74023 paper 3 - Study guides, Class notes & Summaries

AQA A level BIOLOGY 7402/3 Paper 3 June 2023 official QUESTION PAPER

2023 AQA A-level BIOLOGY 7402/3 Paper 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

AQA A LEVEL BIOLOGY 7402 JUNE 2023 PAPER 3 FINAL MARKSCHEME.

AQA A level BIOLOGY 7402/3 Paper 3 June 2023 official 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 ...

AQA A-level BIOLOGY 7402/1 Paper 1 June 2023 MS

AQA A level BIOLOGY 7402/3 Paper 3 June 2023 official QUESTION PAPER

2023 AQA A-LEVEL BIOLOGY 7402/3 PAPER 3 QUESTION PAPER & MARK SCHEME (MERGED) JUNE 2023[VERIFIED]100% PASS where are t-cells made?ANSWERthymus gland where do b-cells mature?ANSWERbone marrow what do b-cells do?ANSWER- humoral response - release antibodies - complementary to a specific antigen what response are plasma cells?ANSWERprimary

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 7402/3 Paper 3 MS 2023 V1.0 Final