7. Viruses use receptor-mediated endocytosis to enter the cells of what type(s) of organisms: a) Plants b) Bacteria c) Mammals d) All of the above 8. The earth's structure is made up of all the following EXCEPT: a) Rocky crust b) Core of molten Fe and S c) Mantle of plastic Mg , Fe , Si , Al , and O d) Neosphere of solid Mg , N , and C 9. Life consisted of what organisms during the Archaean Eon (the first Eon of life): a) Bacteria b) Archaea c) Protista d) All of the above.

1. 7. Viruses use receptor-mediated endocytosis to enter the cells of what type(s) of organisms: a)
Plants b) Bacteria c) Mammals d) All of the above 8. The earth's structure is made up of all the
following EXCEPT: a) Rocky crust b) Core of molten Fe and S c) Mantle of plastic Mg , Fe , Si ,
Al , and O d) Neosphere of solid Mg , N , and C 9. Life consisted of what organisms during the
Archaean Eon (the first Eon of life): a) Bacteria b) Archaea c) Protista d) All of the above