Photosynthesis, Enzymes, Pigments, Leaf Buoyancy and more experimental design.

Think about how starch is made and what it is made from ......

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A level Biology Questions by Topic with Markschemes - Aerobic respiration and Anaerobic Respiration

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There is plenty of excellent guidance on how to plot graphs and draw tables in the OCR practical booklet  ..... pdf

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One from the OCR Unifying concepts paper, combines respiration and photosynthesis.

(a) think photolysis and Oxygen accepting electrons ...

(b) is about phosphorylation and diffusion gradients

(c) is about the nature of passive transport and using proteins

(d) is about endosymbionts and prokaryotes

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Prompting some festive recapping ? - Looking back at first year A-level Biology topics

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Attack of the Sap Suckers ! Synoptic Comprehension - A level Biology

Seems to be a huge challenge for some students

Try using this animation and this one and an excellent set of interviews

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Be warned these are not straightforward

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Another from the past.

Terrific question about DNA, diffusion, ATP production and fireflies going out in a blaze of glory....

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From an Old OCR Unifying concepts paper. ....

Don't panic, the question is not about DNA vaccines or plasmids. 

The question is about differences between protein and DNA structure,  protein synthesis, post translational modification of protein,  clonal selection, mutation of pathogens. All of which are on the specification.

The OCR spec is now partly examined through some terrific multiple choice questions. This is a assessment format that is unusual to many students. Here are 9 questions from an Old paper that will stimulate some thought.

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