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How does allopatric speciation work?

Allopatric speciation occurs when the population of a species becomes divided and the two (or more) groups are isolated from one another. Different factors in the environment of each group will affect th...

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Answered by Georgia W. Biology tutor
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Explain why the binding of one oxygen molecule to haemoglobin makes it easier for a second molecule of oxygen to bind.

The binding of the first oxygen molecule changes the tertiary and therefor the quaternary structure of the haemoglobin molecule, therefore exposing another binding site making is easier for the second mol...

Answered by Biology tutor
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Outline and evaluate the biological explanation of aggression (16 marks)

AO1 is worth 6/16 marks and so should be no longer than 1-2 paragraphs. This should include any key theorists and studies as well as addressing ‘outline’ portion of the question. This could include discus...

Answered by Psychology tutor
3898 Views

What is the difference between static and dynamic efficiency?

Static efficiency describes the level of efficiency at a certain point in time. This, therefore, describes both allocative and productive efficiency. A firm is productively efficient if they are at their ...

Answered by Economics tutor
21558 Views

‘What is most beautiful in virile men is something feminine; what is most beautiful in feminine women is something masculine’. Examine the interplay of gender and power in Far from the Madding Crowd, All’s Well That Ends Well and the Amoretti.

‘The woman is at her finest in submission’[1]states Wilson Knight in the introduction of All’s Well, perfectly expressing an historical attitude which is true in all the texts where women are see...

Answered by English Literature tutor
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