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If blood glucose level is high, how does it return back to normal?

When a high blood glucose level is detected by the body, pancreas releases the hormone, insulin, into the bloodstream. The release of insulin results in glucose moving from the blood and into liver and mu...

Answered by Samantha M. • Biology tutor

3064 Views

Solve the differential equation csc(x)*dy/dx=exp(-y), given that y(0)=0. (Typical Math HL paper 3 question, Calculus optional topic)

Firstly, we need to grasp the problem, and understand what the question is asking us to do. We are given a differential equation, and we are required to solve for y, i.e. write y as a function of x: y(x)=...

Answered by Khariton G. • Maths tutor

1683 Views

What is the best way to revise for a speaking exam?

In terms of speaking exams, the most cliché answer is practice, practice and practice! The advice that used to help me a lot when revising for a speaking exam is to record yourself speaking and then liste...

Answered by Hazel O. • German tutor

2862 Views

In a population of 1000 lemmings there are two alleles for skin colour, the dominant colour being cream (C) and the recessive being white (c). 350 individuals have white skin. Use Hardy-Weinberg to predict the number of homozygous recessive individuals.

Hardy-Weinberg Principle states that in a population of randomly mating individuals:
p + q = 1
p²+2pq+q²=1
White fur = homozygous recessive = q² = 350/100 =...

Answered by Igbunu O. • Biology tutor

2292 Views

To what extent was pre-war Nazi social policy a success?

The student should address:The demonization of Germany's Jewish population - the Nuremburg Laws, Boycotts of Jewish owned businesses and Kristallnacht in particular. As well as the effectiveness of propag...

Answered by Alexander M. • History tutor

2477 Views