Biology Cell Membrane/Transport

Front

What forms the channels and pumps in the phospholipid bilayer?

Back

Proteins

Front

What is embedded in the phospholipid bilayer?

Back

Proteins

Front

What do the brown structures represent in a cell membrane diagram?

Back

Channel Proteins

Front

The process of moving substances against their concentration gradient using energy is called?

Back

Active transport

Front

What does 'bilayer' mean in the context of cell membranes?

Back

Two layers

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and leaves.

Front

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

Back

Active transport and passive transport.

Front

What is passive transport?

Back

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

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What role do carbohydrates play in the cell membrane?

Back

They are involved in cell recognition and signaling.