Cell Membrane & Cell Transport

Front

What are the two parts of a phospholipid?

Back

Hydrophilic Head and Hydrophobic Tail.

Front

What model describes the arrangement of the cell membrane as bendable and made of many parts?

Back

The Fluid Mosaic Model.

Front

Which of the following is NOT part of the cell membrane: Lipids, Carbs, Proteins, or Nucleic Acids?

Back

Nucleic Acids.

Front

What is osmosis?

Back

The movement of water across a membrane.

Front

What does it mean when something is Selectively (or Semi) Permeable?

Back

Some molecules can cross the membrane while others cannot.

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What are the main components of the cell membrane?

Back

Phospholipids, proteins, and carbohydrates.

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 the difference between passive and active transport?

Back

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

Front

What is diffusion?

Back

The movement of molecules from an area of higher concentration to an area of lower concentration.