Researchers observe that while the actin microfilaments in an amoeba seem to be intact, the organism appears incapable of forming pseudopods for movement.They conclude that its immobility may be caused by the absence of the protein
A) dynein.
B) kinesin.
C) tubulin.
D) collagen.
E) myosin.

Question

Quizplus · Accepted Answer

Myosin is a motor protein that interacts with actin to produce movement. Therefore, the absence of myosin would likely impair the ability of the amoeba to move despite intact actin microfilaments.

Researchers Observe That While the Actin Microfilaments in an Amoeba