According to the endosymbiotic theory, early eukaryotes acquired the mitochondrion from a symbiotic bacterium. What happened to the bacterial genes?
a. All of the bacterial genes were transferred to the nuclear genome.
b. All of the bacterial genes still exist and comprise the mitochondrial genome.
c. All of the bacterial genes still exist and comprise the chloroplast genome.
d. Some bacterial genes were transferred to the nucleus, some were lost, and some comprise the mitochondrial genome.
According to the endosymbiotic theory, early eukaryotes acquired the mitochondrion from a symbiotic bacterium. What happened to the bacterial genes?
a. | All of the bacterial genes were transferred to the nuclear genome. | |
b. | All of the bacterial genes still exist and comprise the mitochondrial genome. | |
c. | All of the bacterial genes still exist and comprise the chloroplast genome. | |
d. | Some bacterial genes were transferred to the nucleus, some were lost, and some comprise the mitochondrial genome. |
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2.)
a.) Are viruses that infect Archaea different from other bacterial viruses?
Yes, they do not have protein coats because of the extreme conditions where they live. | ||||||||||||
No, they consist of nucleic acid and protein just like other bacterial viruses. | ||||||||||||
Yes, the structure of archaeal viruses is always completely different from other bacterial viruses. | ||||||||||||
Yes, they have only DNA genomes. b.) Of the following examples, which is not a common part of many viral life cycles?
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