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Temperature affects cell membrane permeability. At high temperatures, proteins that support and maintain cell membranes may be denatured, increasing membrane permeability.How may membrane permeability change at low temperatures?

It is important that a cell membrane is intact as it protects cell contents from the external environment, and controls what can enter and exit the cell. At temperatures below normal, cell membrane permeabil...
RL
Answered by Raisa L. • Biology tutor
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What happens to the pressure inside a sealed canister of gaseous oxygen when it is transferred from a cool environment to a warmer environment?

The pressure increases when it is moved from a cool environment to a warmer environment. This is because the molecules of oxygen have more kinetic energy in a warmer environment and therefore move faster. Th...
AC
Answered by Adam C. • Physics tutor
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Describe how a non-competitive inhibitor works to inhibit the activity of an enzyme.

Non competitive inhibitor binds to allosteric site of the enzyme (does not bind to the active site of the enzyme). This binding alters the tertiary structure of the protein meaning that the active site of th...
AC
Answered by Adam C. • Biology tutor
8165 Views

How do I write a good introduction?

The introduction is the crux of the essay in which you clearly set out your line of argument. I would start my introduction off with a quick summary of the historiographical debate surrounding the question, ...
LA
Answered by Luqman A. • History tutor
1961 Views

John begins to exercise and his heart rate increases - explain how and why his heart rate increases

His heart rate increases as his cellular demand for oxygen increases and the amount of carbon dioxide in his blood increases, this is due to an increase in the rate respiration because of increased ATP deman...
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Answered by Sian M. • Biology tutor
3640 Views