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Explain the difference between Humoral and Cellular adaptive immune response.

Firstly the adaptive immune response is the antigen specific response the body uses against free antigens or infected cells. It relies on the highly specialised lymphocytes, T-cells and B-cells, which are...

Answered by Tarek L. • Biology tutor

2600 Views

What is the difference between "tu" and "vous"?

"tu" is a far more relaxed and friendly way of saying "you" in French. It can be used for friends and family. Don't use it with an adult or someone you don't know unless they have to...

Answered by Georgina O. • French tutor

1220 Views

Show that the funtion (x-3)(x^2+3x+1) has two stationary points and give the co-ordinates of these points

Stationary points are points where the gradient of a function is equal to 0. In this question the product rule can be used to find the gradient of the given function. The product rule is given by u'v+uv'...

Answered by Joe R. • Maths tutor

3003 Views

Find the nature of the turning points of the graph given by the equation x^4 +(8/3)*x^3 -2x^2 -8x +177 (6 marks)

(1 mark) Differentiate equation in the question: 4x³+8x²-4x-8(1 mark) Equate this to zero: (x-1)(x+1)(x+2)=0(1 mark) Find turning points (roots of above equation): x=1,-1,-2(1 mark) ...

Answered by Elizabeth B. • Maths tutor

3036 Views

‘Transnational corporations (TNCs) only bring advantages to the host country.’ Do you agree with this statement? Justify your decision.

TNCs bring both advantages and disadvantages to host countries, this has a more profound impact in LEDCs, such as Nigeria. Nigeria has approximately 40 TNCs operating within it and one of the biggest is R...

Answered by Amber D. • Geography tutor

28826 Views