Which of the following statements are true of cell membranes? (Read carefully and select all of the correct statements.)
A)Cholesterol provides stability.
B)Receptor sites are made of glucose.
C)A cell membrane is selectively permeable.
D)Phospholipids are not always present.
E)Microvilli are cell membrane folds that sweep materials across the cell surface
F)Receptor sites are part of cell communication.

Question

Quizplus · Accepted Answer

A) Cholesterol helps to stabilize the cell membrane by reducing the fluidity of the hydrophobic tails.
C) Cell membranes are selectively permeable, allowing some substances to pass through while preventing others from crossing the membrane.
F) Receptor sites on the cell membrane play an important role in cell communication, allowing cells to receive signals from other cells or their environment. None of the other statements are true. Glucose is not a component of receptor sites (B), phospholipids are a key component of cell membranes (D), and microvilli are not involved in sweeping materials across the cell surface (E).

Which of the Following Statements Are True of Cell Membranes