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Immunisation introduces a specific antigen into the body. This is recognised as foreign and stimulates B lymphocytes to produce plasma cells and memory cells. Plasma cells go on to secrete specific antib...
Don't panic, focus on what you do know.You know 6/n * 5/(n-1) = 1/3or 30/(n^2-n) = 1/3simplify this to reach the target expression.
Cashflow is the movement of money in and out of the business. Cash inflows mostly comes from the money that the business earns from selling goods or services. Cash outflows are all its payments, whi...
Step 1: (a )(a )Step 2: identify numbers that can multiply to 14: 1 & 14, 7 & 2Step 3: Identify which pair of numbers add together to make -5: 2 - 7 = -5<...
When an individual's characteristic, such as behaviour, is a product of genes inherited, rather than learned experience.
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