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How is an action potential transmitted across a cholinergic synapse?

Action potentials are depolarisations above the threshold level traveling along a neurone, communication often evolves the action potential being transmitted from one neurone to another, this is done via ner...
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Answered by Harry D. Biology tutor
5148 Views

Explain and describe how vaccinations prevent illness.

Vaccinations involve introducing a small amount of dead or inactive form of a pathogen into the body. This stimulates white blood cells to produce complementary antibodies to destroy the pathogen. This is ca...
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Answered by Francesca S. Biology tutor
4126 Views

Simplify (2sin45 - tan45) / 4tan60

Here we are dealing with 2 concepts: trigonometry and surds.First i would make sure that the student is aware/can identify these trigonometry values.So sin45 = 1/√ 2, tan45 = 1, tan60 = √ 3Now i would insert...
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Answered by Safa M. Maths tutor
11843 Views

Find the integral of y= e^3x / 1+e^x using calculus.

First, you use the substitution u=1+e x which implies that du=e x dx. Then, you factorise e 3x = e 2x e x and replace e x dx with du. Then by rearranging, e 2x = (u-1) 2 , so you are now ready to substitute ...
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Answered by Aliki I. Maths tutor
19730 Views

3x + 2y = 6, 5x+3y=11, solve for x and y.

There are two main methods to solve simultaneous equations. Elimination and Substitution. Usually one is easier and quicker than the other, but this is dependent upon the question you face in the exam so I w...
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Answered by Amy F. Maths tutor
11362 Views