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GCSE

How is blood glucose concentration regulated?

It's important that glucose levels in the blood are kept at a constant, as glucose is a key component for cell respiration. The mechanisms for glucose regulation involve the hormones insulin and glucagon....

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Answered by Megan L. Biology tutor
3344 Views

Please conjugate the verb Être in the present tense.

Je suisTu esIl/ Elle/ On estNous sommesVous êtesIls/ Elles sont

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Answered by Natasha N. French tutor
2598 Views

Megan buys a car for £7,700 plus 20% VAT. She pays a deposit for the car and then pays the rest in 12 equal instalments of £642.50. How much did Megan pay as a deposit?

7700 x 1.2 = 9240 (total cost of car)12 x 642.5 = 7710 (total cost of instalments)9240 - 7710 = 1530Answer = £1,530

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Answered by Charles D. Maths tutor
3141 Views

11.25g of hydrated copper (II) sulfate is heated to constant mass. The new mass is found to be 7.19g. What is the formula of the hydrated copper (II) sulfate?

Hydrated Copper (II) sulfateThe hydrated term means that this compound contains water of crystallisationWater of crystallisation means that there are chemically bonded water molecules wit...

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Answered by Una M. Chemistry tutor
7787 Views

How do I know when to use the imparfait or the passé composé when talking in the past tense?

The passé composé, compared to the imparfait, is used when talking about finished actions in the past. The imperfect, therefore, is used when we want to talk about past actions that had no obvious complet...

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Answered by Michael O. French tutor
3308 Views

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