What does the endosymbiont hypothesis propose?

a. It proposes that early eukaryotic cells acquired the precursors of mitochondria and chloroplasts by engulfing certain types of bacteria.
b. It proposes the use of solar energy for biosynthesis of cellular molecules and energy.
c. The hypothesis relates to the evolution of multicellular organisms about 1.2 million years ago.
d. It proposes that bacteria began to use oxygen in metabolism as oxygen became abundant in the atmosphere.
e. It suggests mechanisms that led to the evolution of prokaryotic cells


Ans: a. It proposes that early eukaryotic cells acquired the precursors of mitochondria and chloroplasts by engulfing certain types of bacteria.

Biology & Microbiology

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Indicate whether the statement is true or false.

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Indicate whether the statement is true or false.

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A. M phase B. G1 phase C. G2 phase D. S phase E. G0 phase

Biology & Microbiology