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What is thermionic emission?

Thermionic emission is the process by which electrons are emitted by a metal as a result of the heating of the metal. The electrons which are emitted are all from the sea of free electrons which bond the ...

NS
Answered by Noah S. Physics tutor
3228 Views

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 perme...

RL
Answered by Raisa L. Biology tutor
8731 Views

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....

AC
Answered by Adam C. Physics tutor
1884 Views

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 si...

AC
Answered by Adam C. Biology tutor
7238 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 questio...

LA
Answered by Luqman A. History tutor
1615 Views

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