Question

write short notes on compount of plasma membrane​

Answer 1

Answer:

All cells ate surrounded by plasma membrane the membrane is composed of phospholipid bilayer arranged back to back. The membrane is also covered in places with cholesterol molecules and protein the plsma membrane is sensitively permeble and regulate

Which molecules are allowed to enter and exit the cell

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Answer 2

Answer:

Plasma membrane is a cell organelle. It is the outer most covering of the cell that separates the content of the cell from the external environment. It is present in both plants and animal cell. It is flexible in nature and made of lipids and proteins. It is also known as selectively permable membrane because it allows the entry and exit of some material in and out of the cell.