Multiple Choice
According to the endosymbiotic theory of the origin of eukaryotic cells, how did mitochondria originate?
A) from infoldings of the plasma membrane, coupled with mutations of genes for proteins in energy-transfer reactions
B) from engulfed, originally free-living prokaryotes
C) by secondary endosymbiosis
D) from the nuclear envelope folding outward and forming mitochondrial membranes
E) when a protoeukaryote engaged in a symbiotic relationship with a protobiont
Correct Answer:

Verified
Correct Answer:
Verified
Q13: Protists are alike in that all are<br>A)unicellular.<br>B)eukaryotic.<br>C)symbionts.<br>D)monophyletic.<br>E)autotrophic.
Q14: In test tube 1, you observe an
Q16: The following questions refer to the
Q18: The following questions refer to the
Q19: Which of these was not derived from
Q20: The following questions refer to the
Q21: Theoretically, P.bursaria can obtain zoochlorella either vertically
Q22: The following questions refer to the
Q45: You are given five test tubes, each
Q75: You are given the task of designing