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How can I write an effective introduction?

Though introductions are the shortest paragraph you will write for your essay, be it coursework or an exam answer, they are often the trickiest to get right: so here are some tips to make writing them easier...
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Describe two ways in which a pathogen (disease-causing organism) can cause disease?

There are several ways in which a pathogen can cause disease. These can be seen in the Germ Theory of disease, made famous by Robert Koch. These include releasing toxins (1) and damaging/killing local cells ...
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Answered by Paul M. Biology tutor
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What is the difference between aerobic and anaerobic respiration?

It is important to first understand the concept of respiration. It is not the same as ventilation (breathing), as respiration is a chemical process that involves the breakdown of basic chemical molecules to ...
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Answered by Andie L. Biology tutor
11326 Views

What is the sliding filament theory?

At a neuromuscular junction , an impulse arrives, causing Ca 2+ to be released from the sarcoplasmic reticulum of your muscle cell (a system of membrane bound organelles around myofibril). 1. Ca 2+ diffuses ...
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Answered by Andie L. Biology tutor
7527 Views

What is the most effective way to revise for an English exam?

Revising for an English exam is difficult as there isn’t a simple list of facts or formulas to memorise and being creative within a time limit is tough. However, being prepared for the exam and knowing what ...
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Answered by Bethan M. English tutor
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