Cell Membrane

Front

What is the term for the balance that organisms maintain through self-regulating adjustments?

Back

Homeostasis

Front

What happens to a cell when it is placed in a hypotonic solution?

Back

The cell will swell.

Front

Which type of molecules require assistance to cross the cell membrane due to their size or charge?

Back

Large or charged (polar) molecules.

Front

What is the hydrophilic portion of the cell membrane?

Back

The phosphate heads of phospholipids.

Front

What is the primary function of the plasma membrane?

Back

To regulate what enters and leaves the cell.

Front

What is the structure of the cell membrane primarily composed of?

Back

A phospholipid bilayer.

Front

What is the role of proteins in the cell membrane?

Back

To facilitate transport and communication across the membrane.

Front

What is the difference between passive and active transport?

Back

Passive transport does not require energy, while active transport does.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What is the significance of the fluid mosaic model?

Back

It describes the structure of the cell membrane as a mosaic of various proteins that float in or on the fluid lipid bilayer.