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The Cell Membrane

This note is all about the cell membrane amd its structure.

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Genes

International Baccalaureate Biology SL Topic 3.1 2016 Clear and detailed notes of topic 3.1 from the book and lecture

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Anatomy for Personal Support Workers

These notes are for PSW’s made by a PSW. Comprehensive Anatomy notes with diagrams from a Personal Support Work class. Well organized by system. Some Additional notes about aging and degeneration of the systems. Will defiantly help you with NACC exam preparation and final exam review.

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Crash Course Psychology

Psychological Research Know Your Brain Meet Your Master - Getting to Know Your Brain

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Biology Semester Two (Evolution, Animal and Plant Diversity)

Introduction to Biology, Semester Two Plant and Animal Diversity Kingdoms Evolution

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CELL

Introduction to the origin of life. Structures of the cell.

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Blood and Blood Cells

Detailed Explanation about Blood and Blood Vessels

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OCR 2024 GCSE Biology B (Twenty First Century Science) J257/04 Depth in Biology (Higher Tier) With Marking Scheme Merged

OCR 2024 GCSE Biology B (Twenty First Century Science) J257/04 Depth in Biology (Higher Tier) With Marking Scheme Merged BIOLOGY B Oxford Cambridge and RSA Friday 7 June 2024 – Afternoon GCSE (9–1) Biology B (Twenty First Century Science) J257/04 Depth in Biology (Higher Tier) Time allowed: 1 hour 45 minutes You must have: H • a ruler (cm/mm) You can use: • an HB pencil • a scientific or graphical calculator * J 2 5 7 0 4 * Please write clearly in black ink. Do not write in the barcodes. Centre number First name(s) Last name INSTRUCTIONS Candidate number • Use black ink. You can use an HB pencil, but only for graphs and diagrams. • Write your answer to each question in the space provided. If you need extra space use the lined pages at the end of this booklet. The question numbers must be clearly shown. • Answer all the questions. • Where appropriate, your answer should be supported with working. Marks might be given for using a correct method, even if your answer is wrong. INFORMATION • The total mark for this paper is 90. • The marks for each question are shown in brackets [ ]. • Quality of extended response will be assessed in questions marked with an asterisk (*). • This document has 20 pages. ADVICE • Read each question carefully before you start your answer. 2 BLANK PAGE PLEASE DO NOT WRITE ON THIS PAGE © OCR 2024 3 1 Aerobic and anaerobic cellular respiration take place in human body cells. (a) Put one tick (✓) in each row of the table to describe aerobic and anaerobic respiration in animal cells such as human body cells. Only Only Both Neither aerobic and aerobic nor aerobic anaerobic anaerobic anaerobic Is exothermic Produces lactic acid Requires glucose Requires oxygen [4] (b) Complete the sentence about ATP production in respiration. Use words from the list. more than less than equal to The amount of ATP produced per molecule of reactant in aerobic respir

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