Question

Q1 a)why is plasma membrane called selectively permeable membrane.
b) how is flexible nature of plasma membrane useful for amoeba? Name the process​

Answer 1

Answer:

a) The plasma membrane is called a selectively permeable membrane as it permits the movement of only certain molecules in and out of the cells. ... If plasma membrane ruptures or breaks down then molecules of some substances will freely move in and out of the cells.

b) Flexible nature of plasma membrane is useful for amoeba.It helps it in engulfing food by allowing it to form psedupodia(false-feet). The process is phagocytosis. the flexible nature of plasma membrane helps in engulfing food by allowing it to form pseudopodia (False feet).