CELLS

Front

What type of cells are humans made up of?

Back

Eukaryotic cells are complex cells with a nucleus and organelles, which make up all human tissues.

Front

What did Schwann claim about cells?

Back

Schwann claimed that all animals are made of cells, which is a fundamental principle of cell theory.

Front

Who discovered cells?

Back

Robert Hooke discovered cells in 1665 while observing cork under a microscope.

Front

What kind of cell is a bacterium?

Back

Bacteria are prokaryotic cells, which lack a nucleus and membrane-bound organelles.

Front

What is the function of enzymes?

Back

Enzymes speed up chemical reactions in the body by lowering the activation energy required.

Front

What is a prokaryotic cell?

Back

A prokaryotic cell is a simple, unicellular organism that lacks a nucleus and membrane-bound organelles.

Front

What is a eukaryotic cell?

Back

A eukaryotic cell is a complex cell that contains a nucleus and organelles, found in animals, plants, fungi, and protists.

Front

What is the cell theory?

Back

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

Front

What are organelles?

Back

Organelles are specialized structures within a cell that perform distinct processes, such as mitochondria for energy production.

Front

What is the role of the cell membrane?

Back

The cell membrane controls the movement of substances in and out of the cell, maintaining homeostasis.