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A tank contains 45 000 cm3 of water. The tank leaks at 0.75 litres/minute. How long does the tank take to empty?

The first thing to notice with this question is that the volume of the tank is given in cm3 yet the rate at which the water leaks is in litres, so a conversion of units will be neccessary. We k...

TG
Answered by Tom G. Maths tutor
10172 Views

Describe the roles of calcium ions and ATP in the contraction of a myofibril (5 marks)

Calcium ions, which diffuse in from the sarcoplasmic reticulum, cause tropomyosin to shift which reveals the myosin binding site located on the actin filament allowing the myosin head to bind. A molecule ...

MY
Answered by Molly Y. Biology tutor
10739 Views

What should I emphasise in my personal statement.

Subjects

Your CV covers your subjects, but your PS allows you the opportunity to show that you undertsand the implications of what you are learning, how they apply to what y...

JC
1989 Views

Can you explain how insulin levels change during exercise

Insulin is a hormore secreted by the pancreas, and its basic function is to make blood sugar (glucose), be absorbed into the body. Now we can imagine that this happens when the blood sugar is too high, be...

JC
5435 Views

In what ways does Shelly's Frankenstein benefit from having Walton as a narrator?

  Frankenstein’s structure is that of a frame narrative, which is used to emphasise the Doppelganger effect and the gothic convention of 'The Other' both familiar and unfamiliar to our human condition. Th...

MG
Answered by Molly G. English tutor
8939 Views

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