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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...

SS
Answered by Simran S. Psychology tutor
14260 Views

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 pr...

GM
Answered by Georgios M. Biology tutor
7340 Views

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

GA
Answered by Gideon A. Maths tutor
3458 Views

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 ...

HG
Answered by Helen G. Biology tutor
2310 Views

There are 5 cards in order from smallest to largest, _ _ _ _ 8. The range is 6, the median is 6, the mode is 2, and the mean is 5. Find the numbers missing on the 4 blank cards.

The range is 6: The range is the difference between the smallest and largest value. So if the largest value is 8, then the smallest value is 8-6=2.The median is 6:Therefo...

ET
Answered by Emily T. Maths tutor
11074 Views

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