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What does the hormone insulin do?

It is produced by the pancreas, it acts on cells in the liver to stimulate the uptake of glucose from the blood, and its conversion to glycogen.
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Answered by Sufyaan I. • Biology tutor
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Show that ((sqrt(18)+sqrt(2))^2)/(sqrt(8)-2) can be written in the form a(b + 2) where a and b are integers.

First we expand the brackets on the numerator and collect the terms together. We need to get rid of the square root term on the denominator, and we do this by multiplying the numerator and denominator by sqr...
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Answered by Olivia A. • Maths tutor
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Solve the simultaneous equations to find x and y. 4X=8Y+24; 7Y=23-2X

To solve these simultaneous equations I will use the substitution method. This method consists of finding out the value of one of the variables (X and Y) and then substituting this value into the other equat...
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Answered by Callum O. • Maths tutor
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Describe how an action potential is generated.

The generation of an action potential occurs in 4 main steps (resting potential, depolarisation, repolarisation and hyperpolarisation). At resting potential, the membrane potential is about -70mV. A stimulus...
Answered by • Biology tutor
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Using the extract explain the effect of the corona virus on the UK economy in 2020 (10 marks)

10 mark questions require 2 KAA paragraphs with 2 1 mark ev points. This question would involve an extract I will teach my students to use a bullet point system to plan and to think of every answer as I will...
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Answered by Sol H. • Economics tutor
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