Cell Membrane and Transport

Front

What part of a phospholipid is hydrophobic?

Back

Fatty lipid tails.

Front

What does 'water fearing' mean?

Back

Hydrophobic.

Front

What is embedded in the phospholipid bilayer?

Back

Proteins.

Front

How would you describe the cell membrane?

Back

The protective outer layer that controls what enters and leaves the cell.

Front

In which direction do molecules diffuse?

Back

From left to right.

Front

What is the function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

Define hydrophilic.

Back

Substances that are attracted to water and can dissolve in it.

Front

What is the structure of a phospholipid?

Back

A hydrophilic head and two hydrophobic fatty acid tails.

Front

What role do proteins play in the cell membrane?

Back

They assist in transport, act as receptors, and provide structural support.

Front

What is selective permeability?

Back

The ability of the cell membrane to allow certain substances to pass while blocking others.