Cell Transport 1

Front

What is the term for the internal balance within an organism or cell?

Back

Homeostasis

Front

What structure in the cell membrane helps to regulate its fluidity?

Back

Cholesterol

Front

Which cell membrane structure functions as a name tag for the cell?

Back

Carbohydrate chains

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What are the two main types of transport across the cell membrane?

Back

Passive transport and active transport.

Front

What is passive transport?

Back

The movement of substances across a cell membrane without the use of energy.

Front

What is active transport?

Back

The movement of substances against their concentration gradient, requiring energy.

Front

What role do protein channels play in cell transport?

Back

They facilitate the movement of specific molecules across the cell membrane.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What is the difference between diffusion and facilitated diffusion?

Back

Diffusion is the movement of molecules from high to low concentration, while facilitated diffusion requires specific transport proteins.