Cell Structure and Function

Front

What is diffusion?

Back

Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration.

Front

What is the main difference between prokaryotic and eukaryotic cells?

Back

The main difference is the presence of a nucleus; eukaryotic cells have a nucleus, while prokaryotic cells do not.

Front

What are the two major groups of cells?

Back

The two major groups of cells are Prokaryotic and Eukaryotic.

Front

What is the function of the cell membrane?

Back

The cell membrane controls the movement of substances in and out of the cell, acting as a barrier.

Front

What does semi-permeable mean?

Back

Semi-permeable means that the cell membrane allows certain substances to pass through while blocking others.

Front

What structure protects plant cells from bursting in pure water?

Back

The cell wall protects plant cells from bursting in pure water.

Front

What is the role of the nucleus in eukaryotic cells?

Back

The nucleus houses the cell's genetic material (DNA) and controls cellular activities.

Front

What is cytoplasm?

Back

Cytoplasm is the jelly-like substance within a cell that contains organelles and is the site of many cellular processes.

Front

What is the function of mitochondria?

Back

Mitochondria are known as the powerhouse of the cell, generating energy through cellular respiration.

Front

What is the cell theory?

Back

The cell theory states that all living organisms are composed of cells, cells are the basic unit of life, and all cells arise from pre-existing cells.