Bio Cell Membrane Review 2020

Front

The heads in the cell membrane are...

Back

Hydrophilic

Front

What is NOT TRUE about the cell membrane?

Back

There are 3 tails per head.

Front

Are the orange triangles polar or nonpolar?

Back

Polar

Front

Which molecules represent how water moves across the membrane?

Back

The orange triangles.

Front

True or false: Some things are not allowed to enter the cell at all.

Back

True.

Front

What is the primary function of the cell membrane?

Back

To control what enters and leaves the cell.

Front

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

Back

A phospholipid bilayer.

Front

Define 'semipermeable' in the context of cell membranes.

Back

A property that allows certain substances to pass while blocking others.

Front

What role do proteins play in the cell membrane?

Back

They assist in transport and communication across the membrane.

Front

What is the significance of the hydrophobic tails in the phospholipid bilayer?

Back

They prevent water-soluble substances from easily passing through the membrane.