Parts of a Cell

Front

What is the function of the cell membrane?

Back

The cell membrane protects the cell by keeping harmful substances out and allowing necessary substances in.

Front

Do all eukaryotic cells have cell walls?

Back

No, not all eukaryotic cells have cell walls. For example, animal cells do not have cell walls.

Front

What is the smooth endoplasmic reticulum (smooth ER) responsible for?

Back

The smooth ER is involved in the synthesis of lipids, detoxification of harmful substances, and transport of molecules within the cell.

Front

What is the modern Cell Theory?

Back

The modern Cell Theory states that: 1) The cell is the smallest unit of life, 2) All living things are made of cells, 3) All cells come from pre-existing cells.

Front

Which organelle contains DNA?

Back

The nucleus contains DNA and controls the cell's activities.

Front

What is the role of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis in the cell.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells do not have a nucleus or membrane-bound organelles, while eukaryotic cells do.

Front

What is the function of mitochondria?

Back

Mitochondria are known as the powerhouse of the cell, as they produce energy (ATP) through cellular respiration.

Front

What is cytoplasm?

Back

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

Front

What is the function of the cell wall?

Back

The cell wall provides structure and protection to plant cells, fungi, and some prokaryotes.