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How do I recognise a sonnet?

A sonnet is a poem which consists of 14 lines , and is typically written in iambic pentameter with a consistent rhyme scheme of A/B/A/B // C/D/C/D // E/F/E/F // G/G split into 3 quatrains (four lines per sta...
LC
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What is the difference between DNA and mRNA?

DNA and mRNA are both nucleic acids and are made up of a sugar, phosphates and a base. However, they are very different. Firstly by simply looking at the molecules DNA is double stranded whereas mRNA is sing...
EC
Answered by Emma C. • Biology tutor
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What is the integral of x^2 + 3x + 7?

X 2 -> 2X 3X -> 3 7 -> 0 Therefore X 2 + 3X + 7 integrates to 2X + 3
RD
Answered by Rhys D. • Maths tutor
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Turning points of the curve y = (9x^2 +1)/3x+2

Use quotient rule to differentiate: dy/dx = (18x(3x+2) - 3(9x 2 +1))/(3x+2) 2 set dy/dx=0: 54x 2 + 36x - 27x 2 - 3 = 0 9x 2 + 12x - 1 = 0 solve quadratic to obtain values of x, and then find corresponding va...
JH
Answered by Jacob H. • Maths tutor
4154 Views

What's the best way to approach source-based questions?

Source-based questions can be tricky. More than any other question format, examiners choose source-based questions to prevent candidates from simply regurgitating a pre-formed essay. In other words - they fo...
LS
Answered by Leo S. • History tutor
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