Top answers

Name the four stages of mitosis

Interphase Prophase Metaphase Anaphase
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Answered by Roisin G. • Biology tutor
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Expand (x+2)(x-3)(x+4)^2

(x+2)(x-3)(x+4)^2 = (x^2 - x - 6)(x^2 + 8x + 16) = (x^4 + 8x^3 +16x^2 - x^3 - 8x^2 -16x - 6x^2 - 48x - 96) = x^4 +7x^3 + 2x^2 - 64x - 96)
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Answered by Roisin G. • Maths tutor
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Explain what is meant by the mass defect of an atomic nucleui

Correct answer: the positive difference between the separated and combined mass of the nucleons. Explaination: The nculeons are held together by a binding force- ie the strong force, intermedicated by the ex...
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Answered by Roisin G. • Physics tutor
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What are xylem and phloem in plants, and what do they do?

Plants, like us, need food and water to survive. We have a heart, arteries and veins that help us circulate our blood around. But plants don't have that, and need ways of transporting water and food, which t...
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Answered by Jinal P. • Biology tutor
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Find ∫ ( 2x^4 - 4x^(-0.5) + 3 ) dx

When integrating, you need to add one to the power and divide the term by the power. We will consider each term individually, 2x 4 will become (2x 4+1 )/(4+1) = (2x 5 )/5, -4x -0.5 will become (-4x -0.5+1 )/...
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Answered by Rebecca M. • Maths tutor
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