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Explain the formation of an action potential.

The change from resting potential to action potential is caused by the stimulation of a recpetor , this causes a chain reaction which eventually leads to a positive environement inside the cell. An change in...
MT
Answered by Molly T. • Biology tutor
3168 Views

Explain how anti-diuretic hormone (ADH) is released and acts on cells in the collecting duct wall?

Osmoreceptors in the hypothalamus detect a change in the water potential of blood, this stimulates neurosecretory cells to make and release ADH. ADH travels down the axon to the terminal bulb in the posterio...
CB
Answered by Claire B. • Biology tutor
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What is First Past the Post and why has it been criticised?

First Past the Post is an electoral system used in countries such as the USA and the UK to elect representatives. It works in a very simple way: the candidate who recieves the most votes wins. So, for exampl...
BG
Answered by Benjy G. • Politics tutor
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Explain the term 'direct democracy' (5)

Direct democracy involves people power, or the self-government of people, contrasting to a representative democracy by which representatives are elected in order to voice the opinions and interests of citize...
AR
4336 Views

What is the chemical equation for aerobic respiration

6O 2 + C 6 H 12 O 6 ---> 6CO 2 + 6 H 2 O In words this is: Oxygen + Glucose ---> Carbon dioxide + Water Remember that in order to balanc the equation, everything has a 6 in front of it, APART from gluc...
MS
Answered by Mathew S. • Biology tutor
19788 Views