Search our library of homework questions

Top answers

All subjects

All levels

Describe how a protein molecule is produced from mRNA

Translation is the conversion of the messenger RNA (mRNA) code into a protein. Cytoplasmic mRNA is bound by ribosomes (which are present in the cytoplasm or rough endoplasmic reticulum). Transfer RNA (tRN...

Answered by James N. • Biology tutor

4667 Views

A cuboid has length x cm. The width of the cuboid is 4 cm less than its length. The height of the cuboid is half of its length. The surface area of the cuboid is 90 cm^2 . Show that 2x^2 − 6x − 45 = 0

Take each side of the cuboid as an algebraic expression and multiply each by 2 to account for both sides of the shape. For example, (x)(x-4), which could be expanded to x²-4x, and then multipl...

Answered by Tom M. • Maths tutor

11764 Views

How does one find the equation of a line passing through 2 points of a graph?

The general equation for a line on a graph is: y = mx + b ,where a is called the slope of the graph and b is the y-intercept(or the point where the line crosses the y axis). Let's assume the 2 points have...

Answered by Dimitar D. • Maths tutor

5105 Views

f(x) = x^3 - 13x^2 + 55x - 75 , find the gradient of the tangent at x=3

f(x) = yy= x³- 13x² + 55x - 751) find f'(x) [=dy/dx] Differentiation is (1) multiplying the coefficient by the original power --> 2) reducing the original power by 1dy/dx = 3x

Answered by Kiitan O. • Maths tutor

3724 Views

How effective were the policies of British governments, in the years 1789 to 1812, in controlling popular discontent?

Paragraph 1: Firstly, in terms of ‘how effective’ the policies were in ‘controlling’ popular discontent, it is important to register that different perspectives will lead to different conclusions, with po...

Answered by Sarah B. • History tutor

5179 Views