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The role of the sperm cell is to fertilise the egg. It is adapted to fulfill this role in four main ways. Firstly it has a tail to help it travel to the egg. Secondly it contains the nucleus in the head t...
Eukaryotic cells include plant and animal cells. They have a cell membrane, cytoplasm and their genetic DNA is encased in a nucleus. Prokaryotic cells (bacteria) are much smaller in comparison. They have ...
Antibiotics are a big group of drugs. They all work differently, but what they all have in common is that they specifically target a certain part of bacteria. So by definition, antibiotics can only be use...
Superlative relative adjectives tell us that someone or something has a certain quality to the maximum within a group of people or objects. For example, say that you are looking at...
first we know that the length given has a 4:1 ratio with the remaining length of the radius so 5/4 + 5 = 25/4 = radius, the formula for the area of a circle is A=pi*(r^2) so the area is 625/16*pi.
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