The Following Questions Are Based on the Observation That Several

question 60

Multiple Choice

The following questions are based on the observation that several dozen different proteins comprise the prokaryotic flagellum and its attachment to the prokaryotic cell, producing a highly complex structure.
-It has been found that certain proteins of the complex motor that drives bacterial flagella are modified versions of proteins that had previously belonged to plasma membrane pumps. This is evidence in support of the claim that

• A)some structures are so complex that natural selection cannot, and will not, explain their origins.
• B)the power of natural selection allows it to act in an almost predictive fashion, producing organs that will be needed in future environments.
• C)the motors of bacterial flagella were originally synthesized abiotically.
• D)natural selection can produce new structures by cobbling together parts of other structures.
• E)bacteria that possess flagella must have lost the ability to pump certain chemicals across their plasma membranes.

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