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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
5541 Views

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
3515 Views

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

Explain the practice and importance of Judicial review in the US (10)

Judicial review is an exclusive power of appellate courts, most importantly the US Supreme Court (SCOTUS). It is able to overturn any judicial ruling from another court (at federal or state level) or to stri...
JW
11295 Views