Cell Membrane

Front

The cell is an _____ system. It requires the constant inflow of matter and energy and outflow of waste.

Back

open

Front

Most of the cell membrane is made of...

Back

Lipids

Front

What forms the channels and pumps in the phospholipid bilayer?

Back

proteins

Front

What is another term for "selectively permeable"?

Back

semipermeable

Front

What is embedded in the phospholipid bilayer?

Back

proteins

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What are phospholipids?

Back

Molecules that make up the cell membrane, consisting of a hydrophilic head and hydrophobic tails.

Front

What does it mean for a membrane to be selectively permeable?

Back

It allows certain substances to pass while blocking others.

Front

What role do carbohydrates play in the cell membrane?

Back

They are involved in cell recognition and signaling.

Front

What is the fluid mosaic model?

Back

A model that describes the structure of the cell membrane as a mosaic of various proteins floating in or on the fluid lipid bilayer.