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Biology
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Why should different animals have different haemoglobin types

Some animals contain haemoglobin molecules which are structured in way which allows them to have a high affinity for oxygen whilst some are the complete reverse. The reason for this is all to do with the ...

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Answered by Benito W. Biology tutor
24727 Views

Why is the polymerase chain reaction important and how does it work?

The polymerase chain reaction (or PCR) is extremely useful at copying fragments of DNA so by the end of it you have a much bigger sample than what you started with. This is particularly useful for example...

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Answered by Benito W. Biology tutor
8854 Views

Outline the roles of synapses in the nervous system

Primarily, the function of synapses is allow communication between nerones in the nervous system.

Additionally, the structure of synapses means that they can perform further functions. Sp...

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Answered by Lucy W. Biology tutor
41869 Views

Describe how a gene is used to synthesise a polypeptide

A gene is a section of DNA used to produce a single polypeptide, or protein molecule, which is made of amino acids. The process of protein synthesis can be divided into two parts.

The fir...

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Answered by Lucy W. Biology tutor
27229 Views

Explain the difference between Lamarck’s and Darwin’s theory of evolution? Why was Darwin’s more successful?

Darwin and Lamarck were both scientists who tried to understand evolution.

Lamarck
Lamarck’s theory of evolution was based around how organisms (e.g. animals, plan...

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Answered by Ted H. Biology tutor
420458 Views

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