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Bio catch-up: Proteins

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Bio catch-up: Lipids

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Bio catch-up: Testing for carbohydrates Benedict's and Iodine

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Starch, glycogen and cellulose

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Monosaccharides and disaccharides

16:51

Water structure, properties and biological importance

15:47

Water, carbohydrates, lipids and proteins

23:28

Organelle structure and function

19:20

Catch-up A level biology: light microscopes

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Catch-up A level biology: comparing microscopes

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How to make a table of results for practical investigations

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stem dissection biology PAG 2

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Process vs Prize

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OCR A Depth 2017 Q2 (observing xylem phloem, xerophyte/hydrophytes)

32:54

OCR A Depth 2017 Q5 (Biodiversity, sampling, data analysis)

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OCR A Depth 2017 Q4 (lymphocytes, immunity, transmission)

29:59

OCR A depth 2017 Q3 (exchange systems, dissection)

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OCR A Depth 2017 Q6 (Benedicts, practical, graph drawing)

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OCR A 2017 Depth Q1 (Meiosis and stem cells)

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OCR A Breadth 2017 Q26 (Enzymes and data analysis)

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OCR A 2017 Breadth MCQ section walk-through

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OCR A Breadth Q21 (mitosis and magnification)

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OCR A Breadth 2017 Q22 (Carbohydrates and protein trafficking)

27:25

OCR A Breadth 2017 Q23 (Membranes, transport, t-test)

09:03

OCR A Breadth 2017 Q24 (Classification, Domains)

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OCR A Breadth 2017 Q25 (semi-conservative DNA replication)

58:19

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Populations and sustainability revision mind-map: OCR A biology

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Cellular control revision mindmap: OCR A Biology

39:06

biodiversity revision mind-map: OCR A Biology

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Nucleic acids revision mind-map: OCR A biology

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Biological molecules revision mindmap: OCR A biology

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Biological membranes: OCR A revision mindmap

36:47

Hormonal communication: OCR A Biology revision mindmap

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Respiration revision for OCR A

42:15

OCR A Module 5 revision: Photosynthesis

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OCR A Module 5: Animal responses mind-map revision

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OCR A Module 5: Plant responses mind-map revision

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OCR Cloning and biotechnology mind-map revision

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The interdependence of organelles

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Tools for success in A level biology

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Xylem and phloem (plant transport) for A level biology topic review

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Circulatory systems for A level biology review

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Gas exchange for A level biology topic review

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A bit of biology: What is gene regulation?

28:14

A bit of biology: gas exchange and ventilation in the lungs

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A bit of biology: the impact of mutations

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a bit of biology: gas exchange in fish

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a bit of biology: gas exchange in insects

16:08

a bit of biology: effect of mutation on protein structure and function

09:18

a bit of biology: the features of gas exchange systems

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a bit of biology: gene expression

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a bit of biology: the need for exchange systems

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Productivity and motivation during lockdown and remote learning

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Dr Bhavsar talks A level exams 2021

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Your biology grade and how to improve it

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How to revise (for A level biology)

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Liver lobules: how the the liver works explained

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Structure of the liver explained

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What does the liver do? Functions of the liver explained