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What is a gene and why is it relevant?

A gene is a part of a chromosome. The gene codes for a protein that expresses a specific characteristic.Genes code for our physical characterisics. It is a set of instructions to code for a protein which hel...
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Answered by Charlotte C. • Biology tutor
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What is the difference between DNA and RNA

DNA or DeoxyriboNucleic Acid, is a nucleic acid made of two polynulcleotide strands (double stranded). These polynucleotide strands consist of a phosphate group, five-carbon sugar (stable 2-deoxyribose) and ...
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Answered by Robyn D. • Biology tutor
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How are enzymes inhibited?

There are two types of enzyme inhibition: competitive and non-competitive. Competitive inhibition: This occurs when an enzyme's active site is filled by an inhibitor. The inhibitor will have a complementary ...
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Answered by Beth M. • Biology tutor
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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
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