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Describe how a nerve impulse travels from neurone A to neurone B.

As an action potential arrives at A (the presynaptic terminal), pre-formed vesicles containing a chemical neurotransmitter fuse with the presynaptic membrane, releasing the chemical neurotransmitter into the...
ME
Answered by Medani E. • Biology tutor
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differentiate with respect to x : y = x^2 -5x

to find dy/dx, multiply each item by the power of the x, and then decrease the power of the x by 1.Step 1 : 2 x^2 -1 5x (multiplying by power of x)Step 2 : 2 x^1 -1 5x^0Therefore:dy/dx = 2x - 5.
BA
Answered by Branwen A. • Maths tutor
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'Examine the claim that development is impossible to measure'

To measure development it needs to be defined. The are different types of development - environmental, social, economic. It can be argued that development is impossible to measure, due to the fact that it is...
RK
Answered by Ruby K. • Politics tutor
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Discuss Virgil's use of the themes of furor and pietas in Aeneid Book 12.

Book twelve of the Aeneid, the final book of the epic, culminates in a final act which epitomises the relationship between furor (rage) and pietas (duty to family, gods and state) which has been central to t...
HA
Answered by Harvey A. • Latin tutor
5843 Views

solve this simultaneous equation: 2x + 3y = 19 (Eq1) and 3x + y = 11 (Eq2)

Begin by multiplying the second equation by three in order to get a 3y value: 9x + 3y = 33. We can now subtract equation one from equation two, 9x + 3y = 33 and 2x + 3y = 19 -->7x + 0y = 14. Resulting in,...
TB
Answered by Tomas B. • Maths tutor
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