Maintaining Homeostasis

Front

What is homeostasis?

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.

Front

What is active transport?

Back

Active transport is the movement of molecules from an area of low concentration to an area of high concentration, requiring energy.

Front

What is diffusion?

Back

Diffusion is the passive movement of molecules from an area of high concentration to an area of low concentration.

Front

What is osmosis?

Back

Osmosis is the diffusion of water across a selectively permeable membrane.

Front

What is a hypotonic solution?

Back

A hypotonic solution has a lower concentration of solutes outside the cell than inside, causing water to move into the cell.

Front

What is a hypertonic solution?

Back

A hypertonic solution has a higher concentration of solutes outside the cell than inside, causing water to move out of the cell.

Front

What is isotonic solution?

Back

An isotonic solution has equal concentrations of solutes inside and outside the cell, resulting in no net movement of water.

Front

What role does the cell membrane play in homeostasis?

Back

The cell membrane regulates the movement of molecules in and out of the cell, helping to maintain homeostasis.

Front

What is facilitated diffusion?

Back

Facilitated diffusion is the process of moving molecules across a membrane via protein channels without the use of energy.

Front

What is equilibrium in the context of cellular transport?

Back

Equilibrium is the state where the concentration of molecules is equal on both sides of a membrane, resulting in no net movement.