Organelles are found in cells of ______________ and are theorized to have once been independent organisms.
A)heterozygous dominant
B)heterotrophic autotrophs
C)photosynthetic autotrophs
D)heterotrophic lactotrophs

Question

Organelles are found in cells of ______________ and are theorized to have once been independent organisms.
A)heterozygous dominant	
B)heterotrophic autotrophs	
C)photosynthetic autotrophs	
D)heterotrophic lactotrophs

anonymous · Answer

This can be narrowed down with process of elimination. Heterozygous dominant refers to genotype so not that. Heterotrophich autotrophs is not a thing. lactotrophs are a form of cell so it can't be heterotrophic lactotrophs. Therefore, it is C.