Biology, 17.10.2019 03:30, Zachary429
According to the endosymbiosis theory, scientists believe that early eukaryotes formed from prokaryotes. why do scientists believe that prokaryotes existed earlier than eukaryotes?
a) all prokaryotes are aquatic in nature.
b) all prokaryotes perform photosynthesis.
c)prokaryotes have organelles, while eukaryotes do not.
d)certain eukaryote cell structures resemble prokaryotes.
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Answers: 2
Biology, 22.06.2019 10:50, isabelgarcia188
The small molecule cyclic amp (camp) takes about 0.2 second to diffuse 10 μm, on average, in a cell. suppose that camp is produced near the plasma membrane on one end of the cell; how long will it take for this camp to diffuse through the cytosol and reach the opposite end of a very large cell, on average? assume that the cell is 200 μm in diameter.
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Biology, 22.06.2019 13:20, jadalysrodriguez
Where is the nictitating membrane found? a. between the eyelid and the eyeball b. between the retina and the optic nerve c. between the outer and middle ear d. in the organ of corti in the middle ear
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Biology, 22.06.2019 15:00, Marliii363782
Which organelle plays a role in intracellular digestion?
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According to the endosymbiosis theory, scientists believe that early eukaryotes formed from prokaryo...
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