Watch the video - and then - try these questions - from OCR A and B spec - but relevant to all UK boards.
This free quiz has 20 multiple choice questions on biochemistry (bonds, reactions, food tests and chromatography), all taken from OCR A Level Biology A exam papers. It marks itself, so you get your score as soon as you finish.
This free quiz has 15 multiple choice questions on DNA, RNA and protein synthesis, all taken from OCR A Level Biology A exam papers. It marks itself, so you get your score as soon as you finish.
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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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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Practise next
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This is an outstanding synoptic question from a Pre-U Biology Paper. Covers Protein Synthesis, Enzymes, Heart Disease, Respiration ....