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Solve the following simultaneous equations: x^2 + y^2 = 12, x - 2y = 3

This is an example of quadratic simultaneous equations. We need to work out the value(s) of x OR y by rearranging one of the equations and then substituting it into the other equation. Once obtaining the ...

Answered by Imama Taiba N. • Maths tutor

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Outline how the first neurone communicates with the second neurone at a synapse.

The neurotransmitter e.g. Acetylcholine is excocytosed at the presynaptic membrane, the neurotransmitter diffuses across the synaptic cleft, down its concentration gradient, then attaching to complementar...

Answered by Maria G. • Biology tutor

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Guillain-Barré syndrome and multiple sclerosis both cause muscle weakness and loss of muscle function. Suggest and describe how the function of neuromuscular junctions will be affected by Guillain-Barré syndrome and multiple sclerosis.

As both disorders reduce the speed at which nerve impulses are conducted, there will be fewer action potentials conducted at the neuromuscular junction (NMJ). With fewer action potentials...

Answered by Hibba S. • Biology tutor

8716 Views

Explain why podocytes are usually unable to undergo mitosis.

The podocytes are arrested at G₀ of the cell cycle. If podocytes frequently underwent mitosis, it would alter the number and ...

Answered by Hibba S. • Biology tutor

13053 Views

What’s the difference between gerunds and gerundives?

Gerunds are verbal nouns which denote actions, whereas gerundives are verbal adjectives which indicate obligation. They both have the -nd- endings and so can be difficult to distinguish. Gerunds are alway...

Answered by Fergus H. • Latin tutor

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