Cell Solutions and Water Movement

The video tutorial explains the concepts of hypertonic, hypotonic, and isotonic solutions, focusing on their effects on cells. It describes how water moves through osmosis, driven by concentration gradients, and how this affects cell size and shape. The tutorial also covers molecular interactions between water and ions, highlighting the role of electrostatic attraction in these processes.

Which solution has the same solute concentration inside and outside the cell?

• None of the above

• Hypertonic solution

• Hypotonic solution

• Isotonic solution

What does the term 'hyper' in hypertonic solution refer to?

• Lower concentration

• Higher concentration

• Equal concentration

• No concentration

What happens to the water concentration when the solute concentration is high?

• Water concentration increases

• Water concentration decreases

• Water concentration remains the same

• Water concentration fluctuates

What type of membrane allows water to flow but not ions?

• Impermeable membrane

• Non-permeable membrane

• Permeable membrane

• Semi-permeable membrane

In a hypertonic solution, where does the net movement of water go?

• No movement

• Both directions equally

• Out of the cell

• Into the cell

What is the process called when a cell shrinks in a hypertonic solution?

• Cytolysis

• Hydration

• Plasmolysis

• Diffusion

What happens to a cell in an isotonic solution?

• It bursts

• It shrinks

• It swells

• It maintains its shape

What is the term for the process when a cell bursts in a hypotonic solution?

• Plasmolysis

• Cytolysis

• Hydration

• Diffusion

What part of the water molecule is attracted to sodium ions?

• None of the above

• Oxygen atom

• Hydrogen atoms

• Both hydrogen and oxygen

What drives water to move towards a higher solute concentration?

• Temperature

• Pressure

• Gravity

• Electrostatic attraction