He kūpono kēia kumu hoʻohālike no ke aʻo ʻana i ke ʻano o nā cell ma lalo o ka microscope i ke aʻo ʻana i ka biology ma nā kula kiʻekiʻe a me nā koleke. Aʻo nā haumāna e pili ana i ke ʻano ʻekolu-papa o ke cell, ka hoʻonohonoho ʻana o nā molekala protein a me lipid.