Cell Transport

Front

What is a hypotonic environment?

Back

A hypotonic environment is one where the concentration of solutes outside the cell is lower than the concentration inside the cell, causing water to move into the cell, potentially leading to swelling.

Front

What is passive diffusion?

Back

Passive diffusion is the movement of substances across a cell membrane from an area of higher concentration to an area of lower concentration without the use of energy.

Front

What is a hypertonic environment?

Back

A hypertonic environment is one where the concentration of solutes outside the cell is higher than the concentration inside the cell, causing water to move out of the cell, potentially leading to shrinkage.

Front

What is active transport?

Back

Active transport is the process by which cells use energy to move materials across a membrane against their concentration gradient, from an area of lower concentration to an area of higher concentration.

Front

What happens to water molecules during osmosis in a hypertonic environment?

Back

In a hypertonic environment, water molecules move out of the cell, causing the cell to shrink.

Front

Define osmosis.

Back

Osmosis is the diffusion of water molecules across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

Front

What is the role of the cell membrane in transport?

Back

The cell membrane regulates the movement of substances in and out of the cell, maintaining homeostasis and allowing for selective permeability.

Front

What is the difference between passive and active transport?

Back

Passive transport does not require energy and moves substances down their concentration gradient, while active transport requires energy to move substances against their concentration gradient.

Front

What is equilibrium in the context of cell transport?

Back

Equilibrium is the state where the concentration of solutes is equal inside and outside the cell, resulting in no net movement of water.

Front

What is facilitated diffusion?

Back

Facilitated diffusion is a type of passive transport that uses transport proteins to help move substances across the cell membrane.