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What is respiration and why is it needed?

Respiration is the process of using energy stored in complex organic molecules (such as carbohydrates, fats and proteins) to make ATP . ATP ( Adenosine Tri-Phosphate ) is a molecule and is called the 'univer...
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Answered by Aneesh S. • Biology tutor
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What are covalent bonds?

Covalent bonds are a type of chemical bond formed by a shared pair of electrons between atoms. Covalent bonds tend to occur between non-metal type atoms (metals tend to form ionic bonds which are formed by a...
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Answered by Aneesh S. • Chemistry tutor
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What are optical isomers?

Optical isomerism is a paritcular type of steroeisomerism (stereoisomers are molecule that are made up of atoms joined up in the same order so have the same formula but are arranged differently in space beca...
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Answered by Aneesh S. • Chemistry tutor
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Outline the process of protein synthesis in a cell.

1) Firstly, the instructions to produce a protein are contained within part of the DNA molecule called a gene . 2) This information is copied from the DNA to form another information-carrying molecule called...
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Answered by Aneesh S. • Biology tutor
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What is the best essay structure for a philosophy essay?

When taking this course and asking this question students were often frustrated when met with a response such as "there is no best way, just make sure you include quotations, keywords etc..." Altho...
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