Molecular sequencing suggests that mitochondria arose from a group of prokaryotic organisms within the
A) Crenarchaeota.
B) cyanobacteria.
C) iron-oxidizing bacteria.
D) Proteobacteria.
Answer: D
Biology & Microbiology
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Rank these from smallest to largest
A) grain of rice
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Chloroplasts closely resemble photosynthetic ____
Fill in the blank with the appropriate word.
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Cyclic electron transport enhances ATP production because __________
A. ADP production increases B. electrons are transferred from ferredoxin to plastoquinone C. proton translocation decreases D. PSI pumps more protons E. cyclic electron transport is more energyefficient than linear electron transport
Biology & Microbiology