Osmosis and Tonicity Quiz

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In which type of solution does a cell placed in it experience a net influx of water?

Equaltonic solution

Hypotonic solution (correct)

Isotonic solution

Hypertonic solution

Which of the following describes the movement of substances across a membrane from an area of high to low concentration without the need for a transporter protein?

Bulk transport

Facilitated diffusion

Active transport

Simple diffusion (correct)

What happens to a cell placed in a hypertonic solution?

Cell shrinks and may undergo crenation (correct)

Cell's membrane becomes impermeable

Cell swells and may burst

Cell remains unchanged

What type of transport proteins are involved in facilitated diffusion?

Carriers or channels Signup and view all the answers

Which of the following is NOT a potential outcome when cells are immersed in isotonic solutions?

Cell volume decreases Signup and view all the answers

What drives the movement of substances in facilitated diffusion?

Concentration gradient Signup and view all the answers

What happens to a red blood cell when placed in a hypotonic solution?

The cell swells due to water moving into the cell Signup and view all the answers

If the solute concentration inside a cell is higher than the surrounding solution, what is the tonicity of the solution relative to the cell?

Hypotonic Signup and view all the answers

What is the primary driving force behind the movement of water across a semipermeable membrane during osmosis?

The concentration gradient of solutes Signup and view all the answers

In a hypertonic solution relative to a cell, what happens to the cell volume?

The cell volume decreases Signup and view all the answers

What is the term used to describe the phenomenon where a red blood cell loses water and shrinks in a hypertonic solution?

Crenation Signup and view all the answers

In an isotonic solution, what is the relationship between the solute concentrations inside and outside the cell?

The solute concentrations are equal on both sides Signup and view all the answers

What is the primary driving force behind passive transport across a cell membrane?

Concentration gradient Signup and view all the answers

In a hypotonic solution, water molecules will tend to move:

From a region of high solute concentration to a region of low solute concentration Signup and view all the answers

Which of the following statements is true about facilitated diffusion?

It involves the use of carrier proteins in the cell membrane Signup and view all the answers

In a hypertonic solution, water molecules will tend to move:

From the cytoplasm of the cell to the extracellular fluid Signup and view all the answers

Which of the following statements is true about simple diffusion?

It involves the passive movement of small, uncharged, and lipid-soluble molecules Signup and view all the answers

Which of the following statements is correct regarding the effect of solute concentration on water movement across a cell membrane?

Water molecules move from a region of low solute concentration to a region of high solute concentration Signup and view all the answers