Which of the following statements support(s) the theory of the endosymbiotic origin of mitochondria and plastids?
Mitochondria and plastids have circular DNA and replicate by splitting.
Mitochondria and plastids have ribosomes.
Mitochondrial and plastid ribosomal RNA sequences are more similar to cytoplasmic ribosomes than to bacterial ones.
The inner membranes of plastids and mitochondria have transport proteins homologous to those in bacterial plasma membranes.
I only
I and II only
III only
I, II, and IV
Answers: 1
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Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. because of this, we would expect osteoblasts to contain numerous a) nuclei. b) ribosomes. c) lysosomes. d) golgi bodies.
Answers: 1
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Which group of protists would be most likely to have cilia as adults and why? (1 point)the sporozoan protists would since they have to spread their spores around.the heterotrophic protists would since they use them to gather food.the parasitic protists would since they need to find other organisms to attack.the autotrophic protists would since they must move to find light.
Answers: 1
Which of the following statements support(s) the theory of the endosymbiotic origin of mitochondria...
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