Ocr biology - Study guides, Class notes & Summaries

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OCR Biology Exam Guide Questions and CORRECT Answers Cofactors - Ans A substance that has to be present to ensure that an enzyme catalysed reaction takes place at the appropriate rate. Cofactor - Ans Zinc being permanently bound to carbonic anahydrase is an example of what? A co-factor that together with a substrate forms then right shape to bind to the active site. - Ans What is a co-substrate?

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AS OCR Biology A UPDATED Exam Questions and CORRECT Answers Describe the process of protein production. - Ans 1) Proteins synthesized on ribosomes bound to ER 2) Pass into cisternae 3) Packaged in transport vesicles 4) Move to Golgi via cytoskeleton 5) Fuse with cis face 6) Modified 7) Leave through trans face

OCR Biology PASSED Exam Questions and CORRECT Answers Allele - Ans Different forms of a gene Loci - Ans Location of a gene on a chromosome log phase - Ans The period of exponential growth of bacterial population. lag phase - Ans "flat" period of adjustment, enlargement; little growth interspecific competition - Ans competition between members of different species What molecules travel by diffusion - Ans Small non-polar molecules

OCR Biology A Paper 3 questions & answers

OCR Biology Biodiversity UPDATED Exam Questions and CORRECT Answers What is biodiversity? - Ans The variety of living organisms in an area. Why is biodiversity important? - Ans Biodiversity allows a balanced ecosystem. Many organisms rely on one another, they are interconnected.

ocr A Level Biology A H420-03 June2023 Question Paper.

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OCR Biology A Paper 3 with complete solution