Explain the transport of substances across the plasma membrane
Answers
Explanation:
The plasma membrane or, the cell surface membrane, is made almost entirely of protein and lipid. The plasma membrane controls the movement of substances into and out of a cell. It is partially permeable so some substances cross more easily than others.
Answer:
The substances like oxygen and Carbon Dioxide pass through plasma membrane by the process of diffusion.
Water passes through the membrane by the process of osmosis.
Explanation:
The plasma membrane is a selectively permeable membrane, i.e. it allows only selected substances to pass through it.
Diffusion is a process by which gases like oxygen and CO2 move spontaneously from the region of high concentration to a region of low concentration through the semi-permeable membrane.
Osmosis is the process by which water moves from the region of higher water concentration to the region of lower water concentration through the plasma membrane.
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