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How does Haemoglobin work?

Haemoglobin is a protein made up of 4 sub-units. Each sub-unit has a molecule of un-oxygenated Iron. Oxygen covalently bonds to the Iron and is thereby carried by the blood as Oxy-haemoglobin. Oxy-haemogl...

CJ
Answered by Conor J. Biology tutor
9942 Views

Evaluate the possible impact on economic performance that may result from a government decision to bring cost-push inflation under control. (15 marks)

    When inflation is due to being cost-push, the government uses supply-side policies, which manipulate and influence the supply curve in the long term, to increase the level of aggregate supply, as ment...

OD
Answered by Olivia D. Economics tutor
5435 Views

What's a good way to remember which prepositions take the accusative case?

The acronym Fudgebow is a memorable way to recall all prepositions, which trigger the accusative case:

Für, Um, Durch, Gegen, Entland, Bis, Ohne, Wider

LS
Answered by Linus S. German tutor
2215 Views

Draw y + 14 = x ( x - 4 ) and label all points of intersection with axes.

To begin with, lets rewrite the equation in a way which is easier to understand by making y the subject and multiplying out the brackets:

y = x2 - 4x - 14

this looks significantly...

TF
Answered by Thomas F. Maths tutor
3042 Views

How do female reproductive hormones work to ensure survival of a zygote in the luteal stage of the menstrual cycle

The two main gonadotrophins in females are FSH (follcile stimulating hormone) and LH (luteinising hormone). FSH is primarily responsible for the recruitment and growth of follicles in the ovary during the...

AF
3190 Views

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