Practising recall and doing questions is so important for long term retention of information. Try this self marked quiz. OCR A Biochemistry.

Practising recall and doing questions is so important for long term retention of information. Try this self marked quiz. OCR A DNA and Protein Synthesis

Multiple choice questions on enzymes, all past paper questions, a good way to assess your understanding

Protein Synthesis - exam questions a quiz and powerpoints, videos and animations, please like and share

 Enzymes -  Questions (and answers) - for A-level Biology - With Videos and Powerpoints to help recap the theory.

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This is an outstanding synoptic question from a Pre-U Biology Paper. Covers Protein Synthesis, Enzymes, Heart Disease, Respiration ....

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.

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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