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Describe the roles of calcium ions, ATP and phosphocreatine in producing contraction of S (b) a muscle fibre.

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Find the general solution of the differential equation d^2y/dx^2 - 5*dy/dx + 4y = 2x

Solve complimentary function: Let y = e^mxthen,
d²y/dx² - 5dy/dx + 4y = 0
m²e^mx - 5me^mx + 4e^mx = 0 (substituting fo...

Answered by Peter M. • Further Mathematics tutor

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What affects the boiling point of an alkane and why?

There are two ways to affect the boiling point, both of which are to do with London forces found between molecules. Firstly, the chain length. If the chain length increases, the molecules will have a larg...

Answered by Thomas B. • Chemistry tutor

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I struggle with time management whilst doing an exam paper. How will I be able to answer every question in the time given for the exam?

The best way to improve time management is by practising past papers. These can be found on your exam board website e.g. AQA, Edexcel etc. By completing a past exam paper under timed conditions you are pu...

Answered by Ruby P. • Maths tutor

4555 Views

How do you answer the scenario questions in order to access all the available marks?

Read the scenario throrughly! No word is there for no reason. Any ambiguities are not an accident, they are there to make you think and question the law.
Take your time. It is...

Answered by Molly M. • Law tutor

3100 Views