Breadth in biology - Study guides, Class notes & Summaries

OCR Higher GCSE Biology B Twenty First Century Science J257_03: Breadth in Biology (Higher Tier) mark scheme june 2024

OCR AS Level Biology A H020/01 Breadth in biology MAY 2024 Combined Question Paper and Mark Scheme

Actual 2024 OCR GCSE Biology B Twenty First Century Science J257/03: Breadth in Biology(Higher Tier) Merged Question Paper + Mark Scheme

Actual 2024 OCR GCE Biology A H020/01: Breadth in biology AS Level Merged Question Paper + Mark Scheme

OCR MERGED QUESTION PAPER AND MARK SCHEME GCSE (9–1) Biology B(Twenty First Century Science)J257/01 Breadth in biology (Foundation Tier)FOR MAY 2024

OCR 2024 AS Level Biology A H020/01 Breadth in biology Question Paper & Mark Scheme (Merged)

OCR MERGED QUESTION PAPER AND MARK SCHEME GCSE (9–1) Biology B(Twenty First Century Science)J257/03 Breadth in biology (Higher Tier)FOR MAY 2024

Actual 2024 OCR GCSE Biology B Twenty First Century Science J257/01: Breadth in Biology (Foundation Tier) Merged Question Paper + Mark Scheme

2 © OCR 2023 1 (a) (i) Complete the table to compare cellular aerobic and anaerobic respiration in humans. Tick () the correct boxes in each row. [3] (ii) Which statement about respiration is correct? Tick () one box. Aerobic respiration produces more ATP than anaerobic respiration. Anaerobic respiration produces more ATP than aerobic respiration. Both aerobic and anaerobic respiration produce the same amount of ATP. Neither aerobic or anaerobic respiration produces ATP. [1] (b) H...

3 © OCR 2023 Turn over "The larger the animal, the more chromosomes it has in each body cell." 1 (a) Write these structures in order of size. Cell Chromosome Gene Nucleotide Nucleus Smallest ..................................... ..................................... ..................................... ..................................... Largest ..................................... [4] (b) The table shows the number of chromosomes that different animals have in each body cell. ...