The ________ hypothesis proposes that mitochondria and chloroplasts developed from free-living prokaryotes that invaded a precursor to the eukaryotes and established a stable relationship.
What will be an ideal response?
endosymbiotic
endosymbiote
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Until the late 1970s, there was no "Domain" as the broadest category in taxonomy. Instead, there were five kingdoms: Protista, Plantae, Fungi, Animalia, and Monera, which included all bacteria-like organisms. Researchers proposed the domains to distinguish between the bacteria-like organisms. Which information supported the domain level, and subsequent domains of Bacteria, Archaea, and Eukarya?
A. More complex emergent properties developed after organisms were originally categorized into kingdoms. B. Organisms in the Bacteria and Archaea domains have a nucleus, whereas eukaryotes do not. C. Cell shapes of bacteria and archaea were found to be more distinct, after microscope technology improved. D. Differences in DNA among the existing kingdoms showed a need for a broader naming category. E. Evolution led to new adaptations and diversity of organisms.
The virus in this study
A. infected the fungus. B. infected both the fungus and the plant. C. infected the plant. D. infected the bacteria. E. did not infect either the fungus or the plant.
When you exhale what stage(s) of aerobic cellular respiration is producing the carbon dioxide you are breathing out?
What is the most common sequence of information flow through a neuron?
a. nucleus, axon, axon hillock end foot. b. dendrite, nucleus, axon hillock, axon c. dendrite, nucleus, axon, axon hillock d. dendrite, telodendria, nucleus, axon