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Describe how insulin returns the blood glucose concentration to normal.

Insulin acts a key to open the way for glucose to enter cells (hepatocytes, muscles and brain cells)Hepatocytes absorbs more glucose from blood. Glucose converted to glycogen- for storageLiver cells respire ...
EK
Answered by Emma K. • Biology tutor
2824 Views

how is steel stronger than iron?

A pure metal has a giant metallic structure and its atoms are arranged in layers. When a force is applied, the layers can slide over each other due to its regular arrangement. In iron, the force needed to ma...
SA
Answered by shreyas a. • Chemistry tutor
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What is the difference between savoir and connaître?

Savoir means to know in the sense of knowing how to do something e.g. a skill, knowing something by heart or knowing a fact. Je sais danser (I know how to dance). Je sais cette chanson (I know this song [I c...
CC
Answered by Caitlin C. • French tutor
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immunisations - describe two disadvantages of vaccinations ?

Although vaccinations are very beneficial they do carry risk factors - they can cause mild swelling, soreness, a mild form of the disease (they are being vaccinated for), and rare major harmful reactions. I ...
AR
Answered by Ameenah R. • Biology tutor
3958 Views

The equation of the regression line of y (retail price, £) on x (number of pages) for a set of books is y = 0.02x + 1.35. How can I use this equation?

A regression line comes from the line of best fit, y=mx+c. Given your data, you can find the line. C is the point where it crosses the y axis, and m is the slope. Here, we know that the price of a book is y,...
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Answered by Andrew B. • Maths tutor
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