Cholesterol in Animal Cell Membranes

• It is essential for the structure and function of animal cell membranes (correct)
• It is only found in plant cell membranes
• It is harmful to animal cells
• It is not present in any cell membranes

• To maintain the shape and stability of the cell membrane (correct)
• To protect the cell from pathogens
• To provide energy for the cell
• To regulate the movement of molecules in and out of the cell

• It is not necessary for the functioning of animal cells
• It can be easily replaced by other molecules
• It is a type of fat that is harmful to the body (correct)
• It is only found in unhealthy animal cells