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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
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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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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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How do I form the present perfect tense?

To form the present perfect tense we combine the AUXILLARY VERB (conjugated in the present tense) with the PAST PARTICIPLE EXAMPLE: I have watched , you have studied , he has been Auxilliary verb = haber = h...
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Answered by Olivia P. • Spanish tutor
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Describe the course taken by a deoxygenated red blood cell returning to the heart from the circulation, naming any vessels or chambers along its course.

Following its return to the right atrium via the vena cava, the RBC passes through the mitral valve and into the right ventricle. Upon ventricular contraction, the RBC is ejected via the pulmonary valve and ...
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Answered by William B. • Biology tutor
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