Amoebae move by crawling over a surface (cell crawling), which involves ________.
A) growth of actin filaments to form bulges in the plasma membrane
B) assembly of microtubule extensions that vesicles can follow in the direction of movement
C) reinforcement of the pseudopod with intermediate filaments
D) localized contractions driven by myosin and microtubules

Question

Quizplus · Accepted Answer

Amoebae move by extending their membrane forward through a process called protrusion. They form bulges known as pseudopodia in the plasma membrane. The growth of actin filaments helps in the elongation of pseudopodia, which pushes the cell forward. The actin filaments then contract to pull the rest of the cell forward.

Amoebae Move by Crawling Over a Surface (Cell Crawling), Which