George MacDonald helped collect and build models of mosquitoes for Sir Ronald Ross. Hope this helps :). <span />
The symptom that the client is experiencing is consistent with the deficiency in the Vitamin A which is a dietary element. The vitamin A is responsible for causing dryness to the eyes if a person is lacking this type of dietary element as Vitamin A is the one responsible for providing healthy vision for an individual.
Eukaryotic cells are cells that have all of the different kinds of organelles, like the nucleus. Also they at the cells that make up animals.
