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In a perfectly competitive labour market, explain how equilibrium wages are determined by the forces of supply and demand.

The labour market is a factor market, which is a market where the factors of production are traded. The supply of labour comes from the pool of economically active citizens who want to be employed. Labour de...
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Answered by Anish J. • Economics tutor
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Outline two cognitive explanations for depression (6 marks).

One cognitive explanation involves Ellis’s ‘ ABC Model’ (1962). Ellis explains that the key to depression lies in irrational thinking. ‘ A ’ represents an activating event - for instance being fired from wor...
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Answered by Simran S. • Psychology tutor
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When a nerve impulse arrives at a synapse, it causes the release of neurotransmitter from vesicles in the presynaptic knob. Describe how.

Membrane depolarisation arrives at the pre-synpase and causes Ca2+ voltage-gated channels to open. This allows Ca2+ ions to diffuse in the presynapse via the activated Ca2+ channels. Ca2+ influx in the presy...
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Answered by Georgios M. • Biology tutor
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Matt had 3 piles of coins, A, B and C. Altogether there was 72p. Pile B had twice as much as pile A. Pile C had three times as much as pile B.

x + 2x + 6x =729x=72x=72/9x=8
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Answered by Gideon A. • Maths tutor
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How to we acquire monoclonal antibodies

Firstly - What are antibodies? Antibodies are part of the immune system which are specific to the pathogen. They help destroy the pathogen.And what are monoclonal antibodies? They're just antibodies that are...
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Answered by Helen G. • Biology tutor
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