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Chapter 5: Q. 25 (page 154)

Why does water move through a membrane?

Short Answer

Expert verified

The water moves through a membrane when it is not in an equilibrium state and when it doesn鈥檛 have equal concentrations on each side of the membrane.

Step by step solution

01

Step 1. Introduction 

Like any other molecules water wants to be in an equilibrium state and also it needs an equal concentration on each side of the membrane. Osmosis is one of the processes which happen instantly to maintain an equilibrium state.

02

Step 2. Explanation 

Water will move quickly inside the cell when the water concentration outside the cell is more than the inside.

In case, when water enters the cell it even raises the concentration level and the reverse action will happen outside the cell if there is a lower concentration.

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Most popular questions from this chapter

Water moves via osmosis_________.

  1. throughout the cytoplasm
  2. from an area with a high concentration of other solutes to a lower one
  3. from an area with a high concentration of water to a one of lower concentration
  4. from an area with a low concentration of water to higher concentration

Why is it advantageous for the cell membrane to be fluid in nature?

Why there is important that there are different types of proteins in the plasma membrane for the transport of material in and out of the cell?

Why do ions have a difficult time getting through plasma membranes despite their small size?

What problem is faced by organisms that live in fresh water?

  1. Their bodies tend to take in too much water.
  2. They have no way of controlling their tonicity.
  3. Only salt water poses problems for animals that live in it.
  4. Their bodies tend to lose too much water to their environment.
See all solutions

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