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Why is the oxygen saturation curve of haemoglobin sigmoidal?

The saturation curve of haemoglobin shows positive cooperativity. Initially, the porphyrin ring of the haem prosthetic group in haemoglobin is dome-shaped. When one molecule of oxygen binds one of the fou...

YM
Answered by Yunzila M. Biology tutor
3105 Views

What is the benefit of myelination of an axon?

Myelination of an axon makes propagation of action potentials along it much faster. In unmyelinated axons, the action potential is constantly regenerated by active propagation, with the depolarisation cau...

YM
Answered by Yunzila M. Biology tutor
3233 Views

Explain one disadvantage of increasing the budget deficit

One argument against increasing the budget deficit is that and increase in government spending crowds out the private sector. This is when government spending fails to increase overall aggregate demand be...

TD
2064 Views

how do I write an essay including a case study effectively

in order to use a case study effectively, it is important to highlight the key words in the question and look for what they are asking such as: explain, analyse, show and describe. All having a very diffe...

GF
Answered by Gaya F. Geography tutor
3515 Views

What is the definition of fiscal policy and what are the main differences between an expansionary fiscal policy and contractionary fiscal policy

Fiscal Policy is policy designed by the government in order to influence levels of government spending and taxation. In an expansionary fiscal policy the government will opt to increase government spend...

AK
Answered by Adam K. Economics tutor
2614 Views

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