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.
Read moreQuick Cell Quiz: can you spot where these students went wrong?
Can you spot the problems with these A level Biology exam question answers? These bloopers come up a lot - check you’re not going to make the same mistakes.
Read moreImprove your Exam Answers -Small changes that will get you more marks - UPDATED JAN 2023
How to change the language you use in A level Biology Answers, and get better grades
Read moreOCR A and OCR B June 2019 - Summer highlights - Great tips from the board
OCR A June 2019 summer highlights
Read moreAQA Paper 3 Extended Essay: Tips, Mark-schemes and Past Essay Titles
How to do Tables and Graphs - terrific guidance from Exam Boards for A-level Biology
There is plenty of excellent guidance on how to plot graphs and draw tables in the OCR practical booklet ..... pdf
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Read moreFind the mistakes ... Surprisingly popular Photosynthesis revision for A-level Biology
No, no, no ! Quickly addressing (very) common Enzyme mistakes - A-level Biology #eduqas #OCR
Enzymes have an active site - Substrates don't.
The substrate is a complementary shape to the active site NOT the "same shape"
Enzymes reduce the activation energy for a reaction to occur
Anabolism is making, Catabolism is breaking
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Read moreA different approach to teaching (aerobic) respiration - A-level Biology
Teaching aerobic respiration is a difficult topic, traditionally, teachers begin with glycolysis, then link reaction and krebs cycle and then the electron transport chain, I would argue that there is a better way to teach this.
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