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Compare and contrast the structures and starch and cellulose and explain how these relate to their functions in the cell

Both are biological polymers (macromolecules) formed from glucose molecules joined by 1-4 glycosidic bonds.Both are insoluble: good for starch as it does not affect the osmotic potential of the cells in whic...
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Answered by Eleanor R. • Biology tutor
27481 Views

How does the strong nuclear force between two nucleons varies with separation of the nucleons. Please detail the range over which the force acts.

The strong nuclear force is a fundamental force that binds quarks together to form nucleons. The force between nucleons is repulsive between similar nucleons (i.e. protons) before becoming attractive and bin...
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Answered by Claire C. • Physics tutor
3397 Views

How do I use "ser" and "estar"?

These two verbs translate to the english verb "to be" and, yes, it can be tricky to understand when we should use one or the other. As a general rule, a) "Ser" is used when we talk about ...
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Answered by Joanes B. • Spanish tutor
2909 Views

In the exam, is it necessary to know quotes from a book word for word?

It is not essential that you spend lots of time learning quotes perfectly, although it does show good textual understanding. Rather than worrying too much about taking the time to learn long passages, learn ...
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Answered by Sarah C. • English tutor
2105 Views

Vous décrivez là où vous avez passé les vacances. Décrivez: 1) Qui vous avez rencontré 2) Ce que vous avez fait. Écrivez environ 150 mots en français.

Il y a quelques mois, j'étais en France avec ma famille pour les vacances d'été, car ma soeur a voulu passer un peu de temps dans un pays francophone pour pratiquer son français. Afin de faire cela, on avait...
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Answered by Madeleine L. • French tutor
3805 Views