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Explain the sliding filament model of skeletal muscle contraction

An action potential on a motor axon reaches the axon terminal, causing acetylcholine to be released. It diffuses across the neuromuscular cleft in synaptic vesicles and binds with acetylcholine receptors on ...
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Answered by Maddie P. • Biology tutor
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Décris une journée typique.

Ma journée commence quand je me réveille à 7 heures du matin. Je me lève, je m'habille, je mange mon petit déjeuner et je me brosse les dents. Ensuite, ma maman m'accompagne à l'école. A l'école j'apprends b...
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Answered by Sophie B. • French tutor
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How to answer: 'Discuss and compare the role of the speaker or persona in poems you have studied. You must refer closely to the work of two or three poets in your study and base your answer on a total of three or four poems.'

As you can see, the question requires breadth (3-4 poems) and depth (it wants you to refer closely). How should you start? Begin with the basics: quickly list 3-4 poems (making sure they're written by 2-3 po...
RW
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How do you form the imperfect tense?

Firstly, take a verb that you want to conjugate e.g. Comer (to eat). Take off the ending -er- leaving it as 'com' (do the same for -ar- and -ir- verbs) then add an ending using the imperfect tense verb endin...
LW
Answered by Lucy W. • Spanish tutor
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Outline and explain the structure of the personality [6 marks]

The ID operates in the unconscious and is responsible for instant gratification. It contains the libido, which forms our sexual desires. The super-ego is known as the 'morality principle' and punishes the eg...
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Answered by Luka B. • Psychology tutor
3233 Views