The endosymbiosis theory suggests that mitochondria in eukaryotes originated when an archaeal cell engulfed a proteobacterium and retained the bacterium as an organelle. What evidence supports this theory for the origin of the mitochondrion?
It's multiple choice and the choices are:
a) The mitochondrion has a circular chromosome
b) The DNA in the mitochondrion is very similar to proteobacterial DNA suggesting recent common ancestry
c) The mitochondrion is replicated within the plant cell by binary fission.
d) All of the above
2007-01-29 15:34:34 · 7 answers · asked by Student_007 1 in Science & Mathematics ➔ Biology
I mispelt "immediate" by accident...please don't flame me...
2007-01-29 15:36:38 · update #1
I think it could be D. All the answers deal with a different aspect of bacteria. A with the shape of the Chromosome, B with the sequence of DNA and C with the replication. However, although I think that B is the strongest answer, they all do suggest evidence of the endosymbiotic theory
2007-01-29 15:41:03 · answer #1 · answered by Heidi D 3 · 0⤊ 0⤋
D) All of the above. I have a master's and in medical school. I taught high school biology for 7 years. It's D.
2007-01-29 15:39:50 · answer #2 · answered by Bauercvhs 4 · 1⤊ 0⤋
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2016-12-03 05:34:17 · answer #3 · answered by ? 4 · 0⤊ 0⤋
D all of the above.
2007-01-29 15:41:55 · answer #4 · answered by Anonymous · 0⤊ 0⤋
I would definitely go with d)
2007-01-29 15:41:08 · answer #5 · answered by joie_du_cor 3 · 0⤊ 0⤋
It's D.
2007-01-29 15:48:58 · answer #6 · answered by ecolink 7 · 0⤊ 0⤋
i say,"B."
2007-01-29 15:42:32 · answer #7 · answered by juicyfruitishandsome 4 · 0⤊ 1⤋