Biological Molecules, Eduqas, AQA, OCR, Gas Exchange, Respiration, Kidney, Synoptic Jenny Shipway Biological Molecules, Eduqas, AQA, OCR, Gas Exchange, Respiration, Kidney, Synoptic Jenny Shipway

Overview: Gaining and Losing Atoms from the Human Body

Many topics in A level biology relate to how the human body gains and loses atoms. But have you ever stepped back and thought of how these processes all fit together? Having a wide overview can help make sense of individual topics.

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Cells, DNA Jenny Shipway Cells, DNA Jenny Shipway

Introduction to Mitosis (with Cell Division and the Cell Cycle)

This article is for anyone who is totally confused by mitosis, or who hasn’t yet started the topic.

Mitosis is part of cell division. It explains how multicellular organisms grow and is vital for understanding the challenging topic of autosomal linkage. Mitosis is also similar to the first half of meiosis; learning mitosis first will make meiosis much easier to understand.

Remember that for A level biology, you always need to understand why, as well as how. So, get a strong grip of the fundamental concept of mitosis before you try to memorise the details. Understanding the purpose of mitosis will also make it a lot easier to remember the individual stages of the process.

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OCR, Practical, Tables & Graphs, AQA, Eduqas, Synoptic, Revision Tips, Misconceptions, Key Concept, Starting A-level Biology Jenny Shipway OCR, Practical, Tables & Graphs, AQA, Eduqas, Synoptic, Revision Tips, Misconceptions, Key Concept, Starting A-level Biology Jenny Shipway

Key Concept: Independent and Dependent Variables

A variable is any value that does/might change during an experiment. Variables can include things like pH, temperature, colour, or the concentration of substances. The amount of time that has passed is a variable, as are rates of reaction.

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Revision Tips, Starting A-level Biology Jenny Shipway Revision Tips, Starting A-level Biology Jenny Shipway

How to Revise A Level Biology: Constructing Meaning

Your teachers will take you through the course material. Hopefully you’ll be able to follow what they’re saying, and maybe you’ll copy down notes in class and then make flashcards to help you remember these things. But that’s not enough to get a good grade. There are some things you need that teachers don’t tell you – because … well, they can’t. Some things can’t be told.

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