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How Would I Factorise A Quadratic Equation?

Factorising is a way of 'converting' an equation into a form with brackets in order to make it more useful and easier to manipulate. It is the reverse of expanding an equation. For example: To factorise the ...
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Answered by Cameron G. • Maths tutor
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What are the processes of transcription?

Transcription is the first stage of protein synthesis, it occurs in the NUCLEUS. The main purpose is to make an mRNA (messenger RNA) copy of a gene - it is like a photocopy. There are 4 main stages.... Numbe...
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Answered by Lynsey R. • Biology tutor
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How to expand brackets?

Expand 5( x - 4) To expand the brackets, you must mutilpy the number outside the bracket by everything inside. Step 1) 5 x x = 5 x Step 2) 5 x (-4) = -20 Remember to include the minus sign Adding the answers...
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Answered by Andy C. • Maths tutor
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What is mitosis?

Mitosis is the process by which cells divide and replicate themselves. It is how organisms (like humans) grow. During mitosis one cell (the parent cell ) splits into two daughter cells which are identical co...
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Answered by Bethany F. • Biology tutor
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Which are veins and which are arteries?

Veins take blood towards the heart from the rest of the body. This is usualy deoxygenated blood because the oxygen has been taken up by respiring cells in the body. However, the pulmonary vein takes oxygenat...
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Answered by Bethany F. • Biology tutor
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