Secondary endosymbiosis can occur when a
A) nonphotosynthetic protist engulfs a photosynthetic bacterium.
B) virus infects a photosynthetic prokaryote.
C) protist evolves to become a prokaryote.
D) nonphotosynthetic protist engulfs a photosynthetic protist.
E) green alga engulfs a photosynthetic bacterium.
D
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Which process does not involve molecules moving across cell membranes?
A) osmosis B) facilitated diffusion C) active transport D) hydrogenation
Which of the following would be considered a fomite?
A) A fly B) A tick C) An infected toy D) Contaminated water
Which of the following is transmitted by mosquitoes?
A) African sleeping sickness B) malaria C) toxoplasmosis D) tapeworms E) typhus