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Describe how bacteria are used to genetically modify crops.• Certain bacteria (Agrobacterium) can cause plant cells to multiply and form tumours by inserting plasmid DNA into genome of pl...

• DNA not copied properly before cell division: mistakes in copying; small errors - gene/point mutations • Chromosomes damaged/break: usually repair; but may repair incorrectly - large changes in may gene...

General tipsIt’s important that you don’t do too much. Better to a few things well than spread yourself too thin so that you’re overly grilled in interview. My recommendation is pick mayb...

Step 1) Create the formula: 8000 x 1.015ⁿStep 2) Equate to the target value: 8000 x 1.015ⁿ = 2000 10000 (Common mistake is to use target of £2000 ...