The Cell System

Front

What is a cell?

Back

The basic unit of life that makes up all living organisms.

Front

Are proteins considered cells?

Back

No, proteins are macromolecules made up of amino acids, not cells.

Front

What is the function of the cell membrane?

Back

It controls what enters and exits the cell, providing protection and support.

Front

What is endocytosis?

Back

The process by which cells take in large particles by engulfing them.

Front

What is active transport?

Back

The movement of substances across a cell membrane against their concentration gradient, requiring energy.

Front

What is passive transport?

Back

The movement of substances across a cell membrane without the use of energy, following the concentration gradient.

Front

What is osmosis?

Back

The diffusion of water molecules through a selectively permeable membrane.

Front

What technology helped develop the Cell Theory?

Back

The microscope.

Front

What is diffusion?

Back

The process by which molecules spread from areas of high concentration to areas of low concentration.

Front

What is the role of mitochondria in a cell?

Back

They are the powerhouse of the cell, producing energy through cellular respiration.