What might be the advantage to an ancestral cell if it maintained a photosynthetic bacterium within its cytoplasm rather than digest it?
A) It could now utilize hydrogen sulfide as an energy source.
B) It could now use photosynthesis to make its food.
C) It could now live in a highly oxygenated environment.
D) It could now use glucose as an energy source.
Correct Answer:
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Q18: If you look at unknown cells under
Q19: What does the term biogenesis mean?
A)Formation of
Q20: Which organisms are called extremophiles and flourish
Q21: Viruses that infect bacteria are called _.
A)bacteriophages
B)plasmids
C)viroids
D)vectors
Q22: How long did it take in the
Q24: Which is not a method bacteria use
Q25: By what means do amoebas and slime
Q26: When did the first eukaryotic cells form?
A)2.1
Q27: Which was first on the planet, prokaryotes
Q28: Which protist group includes members with plantlike
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