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Describe the sequence of events which allows information to pass from one neurone to the next neurone across a cholinergic synapse. (6 marks)

(1) An impulse causes calcium ions to enter the axon. (2) Vesicles fuse with the presynaptic membrane. (3) This causes the release of acetylcholine. (4) Acetylcholine diffuses across the synaptic cleft. (5) ...
Answered by • Biology tutor
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Integrate (tanx)^2

Method: We use the trigonometric identity (tanx)^2 +1 = (secx)^2 to understand that (tanx)^2 can be written as (secx)^2-1.We then use the formula booklet to identify that (secx)^2 is a given integral and its...
TD
Answered by Tutor382317 D. • Maths tutor
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What kind of language and structures should I use to gain more marks for AO3 (for the AQA syllabus)?

There are different things you should consider. Firstly, make sure that you are confident with basic structures and grammar (genders of common nouns, word order, past participles, verb agreements). Try to in...
EI
Answered by Esther I. • French tutor
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What is a demand curve?

A demand curve is an economic model that is used to illustrate the demand that consumers have for a certain good at different prices. The two axes are price of the good on the y-axis and quantity demanded of...
Answered by • Economics tutor
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¿Qué piensas de la censura de la publicidad? (What are your opinions on press censorship?: 250-400 word discussion)

(Depending upon the student's level of Spanish, I would either talk this answer through with them in Spanish or English. Here, I will write in English for the sake of the interview - I hope that is OK!)INTRO...
AN
Answered by Ayesha N. • Spanish tutor
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