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How does a stimulus produce an action potential?

The cell begins at a resting potential of -85mV with a high concentration of potassium (K+) inside the cell. The stimulus must be strong enough to produce the all or nothing response which triggers the openi...
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Answered by Meirion T. • Biology tutor
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Explain the interactionist approach to explaining mental disorders.

The biological approach to explaining mental disorders would suggest that arise as a result of genetic vulnerability combined with an environmental 'stressor' event which triggers the expression of such gene...
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Answered by Katie E. • Psychology tutor
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Describe the main stages of cell division

Interphage: G1 phase = Increased metabolic reactions, protein synthesis, organelle production, cell checks whether to divide or not S phase = DNA replication --> creation of sister chromatids G2 phase = F...
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Answered by Zoe G. • Biology tutor
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How do I choose the developments?

When you are at the stage of choosing your development, it means you have already chosen the core topic of your project which is in itself the most difficult part! When you have to select the subsequent deve...
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Answered by Elisabetta C. • Art tutor
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"Mirror neurons allow us to understand actions from the inside". Discuss

Essay OutlineIntroduction: This part should introduce the subject matter of the essay and give an overview of the paper. Present the topic, define mirror neurons and give some background on the research and ...
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Answered by Elisa M. • Psychology tutor
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