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Describe how insulin is secreted from beta cells in the Islets of Langerhans

Insulin is released in response to high blood glucose concentrations. High blood glucose concentrations means glucose is taken up by the beta-cells in the Islet's of Langerhans and is respired to produce ATP...
TD
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Solve 6x^2 > 3 - 7x

First put everything to one side, 6x 2 + 7x - 3 > 0 Then factorise the LHS, (3x - 1)(2x + 3) > 0 Get two answers for x, x = 1/3 or x = -3/2 Then work out where the values of x will make the equation ab...
WJ
Answered by William J. • Maths tutor
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When/why should I use chord inversions in a Bach chorale?

Inversion chords serve mutiple functions in the harmonic workings of a Bach chorale. First and foremost, they allow you to keep the bassline conjunct and smooth, whilst also making the harmonic progression f...
JK
Answered by Jack K. • Music tutor
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What's the difference between exaggeration and hyperbole?

Exaggeration simply means going over the top. An example is when you are waiting for your friend, and you've been waiting 5 minutes, but you say to him: 'I've been waiting for like half an hour!' Hyperbole m...
AA
Answered by Ahsan A. • English tutor
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Define the term 'phylogeny', how it is related to classification of species, and what kind of evidence is used in phylogenetics. (3 Marks)

Phylogeny is the evolutionary relationships between different species. Species within the same taxonomic group have shared phylogeny (i.e. they have a common ancestor). (1) Phylogeny is what taxonomic classi...
MY
Answered by Mary Y. • Biology tutor
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