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How do you explain the change in membrane permeability as temperature increases?

Generally, increasing the temperature increases membrane permeability. At temperatures below 0 o C the phospholipids in the membrane don't have much energy and so they can't move much, which means that they'...
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Answered by Ella F. Biology tutor
69552 Views

Solve the simultaneous equations. 3x + 5y = 1 , 2x - 3y = 7

3x + 5y = 1 (eq 1) 2x - 3y = 7 (eq 2) Step 1 - 2* (eq 1) 6x + 10y = 2 (eq 3) Step 2 - 3* (eq 2) 6x - 9y = 21 (eq 4) Step 3 - eq 4 - eq 3 to cancel the x -19y = 19 Therefore, y = -1 (eq 5) Step 4 - sub (eq 5)...
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Answered by Ann L. Maths tutor
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How do you go about answering titration equations?

First you need write out the balanced chemical equation. You will often be asked about iron(II) ions reacting with maganate(VII) ions or with dichromate ions, therefore it is easiest to learn these two equat...
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Answered by Ella F. Chemistry tutor
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A circular table top has diameter 140 cm. The volume of the table top is 17,150π cmᶟ. Calculate the thickness of the table top

The table is a cylinder so we'll need to use the equation for this shape: A = πr 2 h We're looking for the thickness of the table (which is the height) so let's rearrange this equation to make h the subject ...
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Answered by Lewis M. Maths tutor
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Andrew Jackson’s leadership was the main cause of political conflict in the US in the period 1829-1837. – Discuss

President from 1829 to 1838, Andrew Jackson was the source of much political conflict thanks to a combination of his belligerent personality and his political views and strategy. In some respects other facto...
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Answered by Rufus M. History tutor
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