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Which auxiliary verb do I use in the passé composé?

In order to decide which verb (avoir or être) when conjugation the passé composé, you must first choose the verb that you wish to conjugate. The majority of verbs are regular, and simply use the present tens...
JB
Answered by Joseph B. • French tutor
5278 Views

When do I use "tu" and when do I use "vous"?

Explanation: Both "tu" and "vous" mean "you" but "tu" is used for the singular of "you" and "vous" is used in two cases: the plural of "you&qu...
MM
Answered by Mathilde M. • French tutor
4057 Views

What is the difference between covalent compounds and ionic compounds?

Covalent compounds contain atoms that share electrons - for example, hydrogen chloride (HCl) share electrons (one from each atom), in order to achieve a full set of 8 electrons in their outer shell. Covalent...
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Answered by Beth S. • Chemistry tutor
9516 Views

What are the products of digestion of a) proteins, b) fats and c) carbohydrates?

a) Proteins, which are highly-folded poplypeptides, are broken down into shorter polypeptides, and then into amino acids, by protease enzymes. b) Fats, or lipids, are broken down by enzymes such as lipase in...
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Answered by Beth S. • Biology tutor
32848 Views

What is the function of enzymes and give an example of one.

Enzymes are biological catalysts - they 'speed up' biological reactions - essentially increasing the rate at which they occur. Pepsin is an enzyme that catalyses the digestion of proteins in the stomach into...
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Answered by Beth S. • Biology tutor
8266 Views