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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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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
2979 Views

How are is consumer and producer suplus shown on a diagram of supply and demand? How are both the division and amount of total surplus determined?

Starting with the curves themselves, we have a downward sloping demand curve as more people are willing to buy at lower prices. Conversely, seller will be willing to offer more goods for sale as the price in...
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Answered by Joshua L. • Economics tutor
2082 Views

How can I improve my overall fluency and the ease at which I am able to speak and understand French?

The greatest advice I could give would be to just immerse yourself, read, listen and speak as much as possible- use every opportunity that arises and search for those which are less visible and will push you...
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Answered by Kate P. • French tutor
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