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Describe the role of haemoglobin in supplying oxygen to the tissues of the body?

Haemoglobin is an oxygen carrying molecule found in red blood cells. Haemoglobin is made up of four polpeptide chains (2 alpha, 2 beta), and consists of four haem groups (iron associated with heam) contai...

OB
Answered by Olivia B. Biology tutor
15727 Views

Explain what is meant by the term “judicial review”. Support your answer with a relevant example.

The term ‘judicial review’ refers to the power of a higher court to declare laws and actions of government to be unconstitutional. This power exists in both the US and UK systems.

Senior members of...

EB
Answered by Erin B. Politics tutor
5196 Views

To what extent do you agree Soviet Foreign Policy from 1900-1991 was mainly driven by security concerns?

According to Rack, Soviet Foreign Policy was not mainly driven by security concerns but indeed mostly by ideological fantasies of the leaders to expand Communism. However, I would tend to disagree with th...

KZ
Answered by Karolina Z. History tutor
2256 Views

Analyse two factors outside schools that contribute to working class underachievement – 10 marks.

One cultural factor outside the school, that contributes to working class underachievement is parent’s education; Douglas (1964) argues working class parents place less emphasis on education, whilst middl...

JE
Answered by Jasmine E. Sociology tutor
37985 Views

3(a+4)=ac+5f. Rearrange to make a the subject.

3(a+4)=ac+5f

3a+12=ac+5f

3a-ac=5f-12

a(3-c)=5f-12

a= (5f-12)/(3-c)

RR
Answered by Rumana R. Maths tutor
4416 Views

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