For Elodea cells in water, is the water hypertonic, isotonic or hypotonic? Plant

Question

For Elodea cells in water, is the water hypertonic, isotonic or hypotonic? Plant cells do not burst when surrounded by hypotonic solution. Explain. Is 10% NaCl solution hypertonic, isotonic or hypotonic to the Elodea cells? What is the term used to describe the changes you observed in the Elodea leaf placed in 10 % NaCl? What will happen if red blood cells are placed in a hypertonic solution? This process is known as What will happen if red blood cells are placed in a hypotonic solution? This process is known as

Explanation / Answer

Part A . Elodea is a flowering plant that inhabited mainly in fresh water.

PART B: Red blood cells (RBCs) are a part of blood characterized by its oxygen carrying capacity through a protein called heamoglobin.

Important points:

Osmosis is a process of flow of solvent from low solute region to high solute region through semi permeable membrane in order to maintain the isotonicity.

Exo-osmosis: outwards flow of solvent

Endo-osmosis: inwards flow of solvent

Isotonic: the solutions having same isotonicity

Hypertonic: The solution having concentration more than 0.9% sodium Chloride.

Hypotonic: The solution having concentration less than 0.9% sodium Chloride.

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