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The role of the sperm cell is to fertilise the egg.- It has a streamlined shape with a tail which enables it to swim towards the egg.- It has a head with a nucleus, which contains the genetic ma...
The turning point can be found by using the concept of transformations. Firstly, it is important to form a relation between the values of a and b in an equation of the following form y = (x+a)^2 + b and t...
A sampling method where subgroups (strata) of the target population are identified and participants are subsequently sampled from these subgroups in proportion to their occurence in the target population....
A DNA molecule is shaped in a double helix. It is composed of two sugar-phosphate backbones, conjoined by what we call 'bases'. These nitrogen bases: adenine, guanine, cytosine and thymine, which form the...
The functions of political parties can be broken down into three main categories: Representation, policy making, and education.As a representative democracy, political parties act as the spokespeople for ...
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