The following question(s)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.
-If the complex protein assemblage of the prokaryotic flagellum arose by the same general processes as those of the complex eyes of molluscs (such as squids and octopi),then
A)natural selection cannot account for the rise of the prokaryotic flagellum.
B)ancestral versions of this protein assemblage were either less functional or had different functions from modern prokaryotic flagella.
C)scientists should accept the conclusion that neither eyes nor flagella could have arisen by evolution.

Question

Quizplus · Accepted Answer

This suggests that the prokaryotic flagellum evolved over time through gradual changes in the functions and interactions of its component proteins, just as the complex eyes of molluscs did. It is likely that ancestral versions of the protein assemblage were less complex or had different functions than modern flagella, and that natural selection gradually favored changes that increased the functionality of the flagellum. This is a common pattern observed in many evolutionary processes. The fact that such complex structures can arise through evolution in organisms with vastly different biology and morphology is evidence that natural selection and other evolutionary processes are capable of explaining the origins of such traits.

The Following Question(s)are Based on the Observation That Several Dozen