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Explain why blood transfusion from a recently recovered Ebola patient may be an effective treatment ? (3 marks)

Importantly the question has 3 marks which means 3 clearly developed points must be made: The question wants us to think about ebola and its method of infection, the individual who has been infected and reco...
AE
Answered by Ahmed E. • Biology tutor
5190 Views

How can I use an infrared spectrum with a mass spectrum to identify an unknown compound?

You’ll need to use both spectrums to pick out information and piece them together to identify the compound, similar to a puzzle. First, you could use the infrared spectrum to identify which functional groups...
VM
Answered by Vania M. • Chemistry tutor
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A curve has equation y = 20x - x^2 - 2x^3 . The curve has a stationary point at the point M where x = −2. Find the x- coordinate of the other stationary point of the curve

A stationary point on a curve is when the differential of the equation of the curve = 0. In other words when dy/dx = 0Take the equation in the question: y = 20x - x 2 - 2x 3 A simple rule to find the differe...
HJ
Answered by Henry J. • Maths tutor
4537 Views

Let a = 4b + 5(c - b). Find the value of c when a = 8 and b = 7.

a = 4b + 5(c - b) - question8 = (4*7) + 5(c - 7) - insert values given in question8 = 28 + 5c -35 - multiply and expand brackets8 - 28 + 35 = 5c - take away 28 from the left and right-hand side of the equati...
GH
Answered by George H. • Maths tutor
4556 Views

Do we have a moral obligation to protect the weak globally?

If faced with this at interview, the first thing to do is BREATHE! You aren't going to come up with a well thought through answer if you panic and blurt out the first thing that comes into your head. The int...
PE
2068 Views