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A cell in the basal layer of the skin contains 46 chromosomes and divides by mitosis to produce new skin cells. After ten successive divisions, how many chromosomes will the basal cell have?

46 chromosomes - all cells which undergo mitosis should maintain chromosome number
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Answered by Fraser T. • Biology tutor
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Balance this equation: Li(s) + H2O(l) → LiOH(aq) + H2(g)

2Li(s) + 3H2O(l) → 2LiOH(aq) + 2H2(g)
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Answered by Fraser T. • Chemistry tutor
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Factorise the equation below (1)

(1) x 2 + 15x + 56 = 0 56 = 1 x 56, 2 x 26, 4 x 14, 7 x 8 7 + 8 = 15 Hence, factorised equation is (x + 7)(x + 8) = 0
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Answered by Fraser T. • Maths tutor
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How united has the Labour Party been in the past three decades?

In the past three decades, Labour has seen a switch from ‘Old Labour’, democratic socialists, who are highly critical of capitalism, and believe in reducing inequality through state ownership and economic in...
MW
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When (x – 2)^2 + 7 has a minimum value, what is the value of x?

First, expand (x-2) 2 : = (x-2)(x-2), = x 2 - 2x - 2x + 4 = x 2 - 4x + 4 Add on the +7: = x 2 - 4x + 11 complete the square = (x - 2) 2 - 4 + 11 = (x - 2) 2 + 7 when the graph has a minumum value, (x - 2) = ...
TL
Answered by Tom L. • Maths tutor
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