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How do you know if you need an accent on 'a' or not?

Is it the verb 'avoir' or the preposition 'à'? To know which one to choose there is an easy question: can I say 'avait' instead of a/à? If the answer is yes, then it's the verb and it doesn't have an accent....
AC
Answered by Adeline C. • French tutor
4684 Views

Why do some verbs take 'etre' in the perfect tense? And how can I memorise them?

The majority of French verbs are take a conjugated form of the verb 'avoir' (to have) when forming the perfect tense, similarly to English. However, there is an important minority of verbs that use a conjuga...
HP
Answered by Henry P. • French tutor
7136 Views

Difference between prokaryote and eukaryote?

Prokaryotes do not have a membrane bound nucleus, eukaryotes do. Prokaryotes have plasmids. Prokaryotes have smalled ribosomes than eukaryotes. Eukaryotes have more organelles than prokaryotes. I.e. eukaryot...
LD
Answered by Laurence D. • Biology tutor
4669 Views

Describe blood supply to the liver?

The liver is supplied by the hepatic artery bringing oxygenated blood to it. The liver is also supplied by the hepatic portal vein. This brings the absorbed nutrients from the small and large intestine to th...
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Answered by Laurence D. • Biology tutor
6763 Views

What is a zymogen giving reference to an example?

A zymogen is the inactive form of an enzyme. For instance the enzyme pepsinogen is produced by chief cells in the gastric pits. Pepsinogen is a zymogen. Hydrochloric acid produced by the parietal cells of th...
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Answered by Laurence D. • Biology tutor
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