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Describe how glucose is taken up by cells?

Glucose is absorbed into the bloodstream from the small intestine. In the bloodstream, glucose stimulates insulin release by pancreatic beta cells.Insulin binds to the insulin receptors on other cells - such...
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Answered by Ahmad M. • Biology tutor
4190 Views

How do I structure an answer to an essay that asks: "how far do you agree...."?

This is a great question because it can certainly be confusing when trying to make a clear and structured argument throughout your essay, while still attempting to show other interpretations. The first thing...
MC
Answered by Migena C. • English tutor
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How does light from distant stars show how fast they are moving away from us.

When an ambulance drives away from you it has a lower pitch than when it is stationary. The faster the ambulance drives away from you the lower the pitch of it's siren will be. This is called the Doppler eff...
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Answered by Nicholas R. • Physics tutor
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Write down the electronic configuration of a copper ion in this complex ion: [Cu(H2O)6]2+

The electronic configuration is 1s2,2s2,2p6,3s2,3p6,3d9 (or [Ar]3d9); as the electronic configuration of the neutral copper is [Ar]3d10,4s1, which is unusual and differs from most transition metal ions.
MF
Answered by Mikael F. • Chemistry tutor
13044 Views

Explain why ethanol has a higher boiling point than ethene (3)

I would recommend drawing both molecules to identify the key functional groups and relative sizes of the two molecules before attempting to write an answer. Answer: Ethanol molecules have hydrogen bonding in...
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Answered by Edward F. • Chemistry tutor
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