which definition is the best for \semipermeable membrane\?\nit is a barrier that prevents materials from…
which definition is the best for \semipermeable membrane\?\nit is a barrier that prevents materials from moving from one side to the other.\nit is a barrier that allows materials to move freely from one side to the other.\nit is a barrier with tiny openings that let some, but not all, materials pass through.\nit is a barrier that helps materials move from one side to the other.
Answer
Brief Explanations:
A semi - permeable membrane has small pores. These pores allow certain substances to pass through based on size, charge, etc., but not all substances. The first option describes an impermeable barrier, the second describes a freely permeable barrier, and the fourth is an incorrect description.
Answer:
It is a barrier with tiny openings that let some, but not all, materials pass through.