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OCR 2024 GCSE Biology B (Twenty First Century Science) J257/02 Depth in Biology (Foundation Tier) With Marking Scheme Merged

OCR 2024 GCSE Biology B (Twenty First Century Science) J257/02 Depth in Biology (Foundation 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) J257/02 Depth in Biology (Foundation Tier) Time allowed: 1 hour 45 minutes You must have: F • a ruler (cm/mm) You can use: • an HB pencil • a scientific or graphical calculator * J 2 5 7 0 2 * 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 1 Some types of bacteria can make us unwell. (a) Here is a diagram of three cells. Cell A Cell B Cell C Mitochondria Cell wall Nucleus Loop of DNA containing DNA in the cytoplasm Which cell is a bacteria cell? Tick (✓) one box. A B C Use the diagram to explain your answer. .......................................................................................................................................................... ..............................................................................................................................................

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DIGESTIVE SYSTEM

For first year biology (college level) students. Taken from Raven Biology 5th ed.

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Introduction to Cells

1. Parts of the Cells 2. Types of Cells 3. Definitions

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First year Physiology notes

First year physiology notes covering cardiovascular systems, respiratory systems, circulatory systems and more. Suitable for any first year life sciences courses.

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Inflammation and cancer

Notes on inflammation and cancer for cellular pathology module taught in the third year of a biomedical science degree. The notes cover; cancer-enabling inflammation, evidence that inflammation promotes cancer, inflammation dependent tumour promotion, and chronic inflammation and cancer.

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Topic 1.5: The Origin of Cells - IB Biology SL Review Notes

Notes I am using this year's IB exams, used multiple sources but primarily from Bioninja!

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AQA AS BIOLOGY EXCHANGE IN SINGLE-CELLED ORGANISMS AND INSECTS

Detailed first year (AS) biology notes to aid key revision of topics and enhance knowledge.

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Organization and Regulation of Body Systems

Summarizes chapter 4 of Human Biology by Sylvia S. Mader and Michael Windelspecht 13th edition. Goes over different types of tissues (connective, muscular...) and systems in the human body (circulatory, respiratory...).

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22/25 A* AQA A Level Biology marked essay on 'importance of water and regulation of water in Organisms'

This is a full written A level biology essay which scored 22/25 A* Marked Biology essay on 'the importance of water and regulation of water in Organisms' Personally I Believe that reading through a well written essay and following and implementing their style in order to boost your grades significantly! Thankyou, this is well useful in preparation for AQA Biology paper 3.

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Bio 190 Notes

1. Multicellularity 2. Mitosis 3. Meiosis 4. Animal Reproduction 5. Sexual Reproduction 6. Reproduction in spore-producing plants

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Lower Gastrointestinal System

Explanation of aetiology, presentation, required investigations, management and complications of lower GI conditions. Ideal for clinical med students, in an easy to read slide-based format

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The Cell Cycle

Information in a simple way to understand with definitions of important terms that need to be memorized

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Topic 1.3: Membrane Structure - IB Biology SL Review Notes

Notes I am using this year's IB exams, used multiple sources but primarily from Bioninja!

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BIO 168 Lecture/Lab Chptr 1

This couples as notes and a study guide. It features highlighted vocabulary words, multiple colorful tables taken directly from my anatomy book, some checkpoint questions in between sections, fun facts, and more. You'll also find 30 tables and images explaining anatomical imaging, anatomical position, body parts, regions and systems with clear labels, positive and negative feedback model, a directional terms and defintions table, body planes and orientation, and more. I also added matching empty fill in diagrams with word banks for study purposes. Hopefully you find these notes as helpful as I and my friends have. Goodluck with your studies!

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Review Questions and answers for Cell organelles and Cell membrane

This document provides Questions and answers for review of cell membrane and cell organelles and also gives notes on both topics.

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Biology - Genetic Control & Genetic Engineering

Genetic Control & Genetic Engineering with simplified notes with clear illustrations.

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Classification and diagnosis of schizophrenia A2

Discuss issues associated with the classification and/or diagnosis of schizophrenia. Bullet points. AO1&AO2

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AQA Biology 2016 AS poster notes

For 1st year (AS) of sixth form AQA Biology. Topic 1 to Topic 3 notes, on A4 paper or card. Was displayed all over my wall but now the notes are not needed and are in perfect condition.

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GCSE AQA BIOLOGY photosynthesis

AQA photosynthesis biology, unit 8 for revision,

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CATS, include kittens

Lots of cats, lots of kittens. With pictures!!!

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Notes on muscle physiology

Detailed notes on the anatomy of muscles. This notes are very comprehensive and include everything mentioned from class. I received an A using these notes.

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sexual reproduction

sexual reproduction

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relaciones quimicas

Una reacción química, también llamada cambio químico o fenómeno químico, es todo proceso termodinámico en el cual dos o más especies químicas o sustancias, se transforman, cambiando su estructura molecular y sus enlaces, en otras sustancias llamadas productos

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Ecology

Detailed outline of ecology including critical thinking questions and key terms with well defined vocabulary.

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Biological drawings and methods

Everything about biological Methods and drawings

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OCR A-level biology carbohydrates summary pages

Summary of OCR A-level carbohydrates area of biological molecules. I received an A* grade in biology and these were my final notes

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mycology 2

continuation on basic study of fungi

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