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What is a chromosome?

A chromosome is a long, tightly coiled molecule of DNA. Chromosomes are split into sections called genes. In the human body there are 48 chromosomes within each cell (except sex cells which have 23). Chromos...
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Answered by Nathaniel S. • Biology tutor
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Differentiate 2x^3+23x^2+3x+5 and find the values of x for which the function f(x) is at either at a maximum or minimum point. (Don't need to specify which is which)

f(x)=2x 3 +23x 2 +3x+5 f'(x)=6x 2 +46x+3 Maximum or minimum when f'(x)=0 6x 2 +46x+3=0 Using the Quadratic Formula: x=(-b+-squareroot(b 2 -4ac))/2a x 1 =-0.0658 x 2 =-7.6
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Answered by Sanjana K. • Maths tutor
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How do I Analyse poetry?

When conducting an analysis on a poem, you must take in to account six importanct factors: Imagery, language, tone, title, structure and rhythm. It is important to read through the poem a few times, so you g...
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Answered by Maira K. • English tutor
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Find f(x^(1/2)+4)dx (Where f is the integral sign)

The general form for an integrand if the integral is of the form f(x^n)dx is (1/(n+1)) * x^(n+1) +c This is applied to each term in the question, remembering the constant in the integrand: So: f(6x+x^(1/2)+4...
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Answered by Michael A. • Maths tutor
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What is the Price Elasticity of Demand?

Price Elasticity of Demand (PED) measures the responsiveness of the quantity consumers demand in relation to price changes. In simple terms, when the price increases, demand for the product decreases. The PE...
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Answered by Emanuel V. • Economics tutor
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