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The Wiemar Republic was not economically prosperous because in 1923 it experienced hyperinflation. This is when inflation reaches over 11% but in this case inflation got so high money was practically wort...

DNA polymerase is an enzyme that catalyses the synthesis of DNA molecules from free nucleotides. After DNA helicase unwinds the DNA molecule, DNA polymerase reads the existing DNA strands and incorporates...

Firstly, we have to understand what a buffer is. A buffer is a solution which resists changes in pH when small amounts of acid or base are added. The key word here is small amounts, as if too much acid or...

This question is asking for an outline of how antibody is produced in an immune response, and for the 4 marks, we need to identify 4 or more steps using key words in this process. This question could also...

First, calculate the gradient of the line (m) using the equation using dy / dx.m = dy / dx = (y_2 - y_1) / (x_2 - x_1) = (12 - 4) / (8 - 4) = 8 / 4 = 2.As you now know the gradient of the line and points ...