Describe the Theory of Endosymbiosis.
a) Briefly define the Endosymbiotic Theory. 2 pts,
b) Explain why the Theory of Endosymbiosis is considered a “theory” and not a
“hypothesis.” 3 pts,
c) Provide a description of eukaryotic and prokaryotic cells, including at least 4
similarities and 4 structural differences. 4 pts,
d) Describe the sequence of events with anaerobic ancestral proto-eukaryotes and
aerobic prokaryotes that led to the formation of mitochondria and chloroplasts
inside eukaryotic cells. (Be sure to define aerobic and anaerobic respiration.) 6
pts,
e) Explain how each, the anaerobic ancestral proto-eukaryotes and aerobic
prokaryotes, benefited from the relationship. 4 pts,
f) Describe 7 pieces of evidence for this scientific theory. Some of this evidence will
consist of a list of similarities between mitochondria characteristics and bacteria
characteristics. Along with this list of similarities, explain HOW the
characteristics are similar. 10 pts,
g) The Endosymbiotic Theory does not explain the formation of the nucleus. Explain
why the formation of the nucleus is not part of the Theory of Endosymbiosis. 1 pt
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