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Explain how red blood cells are adapted to carry out their function efficiently.

The main function of red blood cells is to transport oxygen from the lungs to tissues all across the body and to remove the waste gas product carbon dioxide from the body tissues out through the lungs.It ...

FC
Answered by Faye C. Biology tutor
2787 Views

If you could give your best revision tip for exam preparation what would it be?

My best tip for exam preparation is to work your way through the course specification. This gives you the best understanding of exactly what you need to know for the exam, for example all the definitions ...

Answered by Chemistry tutor
1954 Views

Use integration by parts to evaluate: ∫xsin(x) dx.

Since our function is a product of two "mini-functions" of x, we are able to use integration by parts.The trick for this is to correctly set 'u' and 'dv'. 'u' should be labelled as the function ...

BA
Answered by Bailey A. Maths tutor
3641 Views

"Shakespeare's 'Othello' is inevitably and inescapably racist and could not be otherwise." (Emma Smith) Discuss the presentation of race in the play in light of this quote.

Over the last 400 years, literary critics and actors have argued over the racial origins of Shakespeare’s Othello. Many believe the play to be, as Emma Smith confirms, ‘inevitably and inescapably...

Answered by English tutor
5589 Views

How and why are sperm cells specialised ?

Sperm cells are specialised because they have a specific function in the body- to fertilise the female gamete (egg). Therefore to carry out its job, it has special features typical body cells do not. The ...

AS
Answered by Antonia S. Biology tutor
33781 Views

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