Il est essentiel que vous  beaucoup de légumes.

Il est important que toutes les usines  leurs systèmes de recyclage.

M. Monastier est  qu’on a entendu à la radio lundi dernier.

Il vaut mieux que ta tante  la maison avant de partir.

Quel animal voulez-vous protéger?  voulez-vous protéger?

Il faut que tu  le taxi pour aller à l’aéroport.

Normal hemoglobin is a tetramer, consisting of two molecules of β hemoglobin and two molecules of α hemoglobin. In sickle-cell disease, as a result of a single amino acid change, the mutant hemoglobin tetramers associate with each other and assemble into large fibers. Based on this information alone, we can conclude that sickle-cell hemoglobin exhibits

How do filamentous fungi grow in length?  

Clostridium spp. produce resistant endospores and classified in the ____ phylum.  

Which of the following describes a nematode