Materials may move in and out of the cell via endocytosis and exocytosis.

Some cells alter their surface area to volume ratio via a change in size or by altering their shape.

Freeze fracture electron microscopy allows one to observe the E and P leaflets of the plasma membrane.

The proteome has more direct influence on the function of cells in different organs than does the genome.

Colorless plastids that store starch in the roots of plants are 

In order to visualize the fine structure of viruses and cytoskeletal filaments at 10-25 nanometers in diameter the type of microscopy that would be most effective is

Partie 2: Impératif Conjuguez chaque verbe à l’impératif. (Aller – tu) ____________ tout droit.

Partie 1: Prépositions à/en Choisissez la bonne réponse. Vous circulez à Bruxelles ___________ tramway.

Partie 3: Participes passés Conjuguez chaque verbe correctement; ce sont tous des participes passés. J’ai (mettre) ________________ ma plus belle robe.

Partie 3: Participes passés Conjuguez chaque verbe correctement; ce sont tous des participes passés. Elles ont (aimer) _______________ le concert.