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What are the main differences between Type 1 and Type 2 Diabetes?

Type 1 diabetes presents younger than type 2, and results from an autoimmune reaction of the pancreas. This means patients have no insulin available to store glucose as glycogen. Type 2 diabetes presenets la...
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Answered by Rahul K. • Biology tutor
2067 Views

How are grana adapted to their function in photosynthesis? [2 marks]

They contain photosynthetic pigments to absorb light i.e. chlorophyll a2. They have a large surface area for light absorption3. They contain electron carriers / ATP synthase
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Answered by Amaani I. • Biology tutor
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Which of the Group 7 elements has the highest boiling point and why?

Iodine, because the forces between the iodine molecules are stronger than in the other halogens.
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Answered by Amaani I. • Chemistry tutor
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Find the gradient of the function f(x,y)=x^3 + y^3 -3xy at the point (2,1), given that f(2,1) = 6.

Firstly, establish that the correct method to do this is via differentiation: specifically implicit differentiation. To find the gradient, we need to find dy/dx . The differential with respect to x of x 3 = ...
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Answered by Daniel D. • Maths tutor
6761 Views

If f(x) = sin(2x)/(x^2) find f'(x)

As f(x) is in the form of u(x)/v(x) we can apply the rule that f'(x) = (u'(x)*v(x) - v'(x)*u(x))/(v(x) 2 ), pulled from the C3 formula booklet. If u(x) = sin(2x) then u'(x) = 2cos(2x). If v(x) = x 2 then v'(...
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Answered by Leo R. • Maths tutor
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