Unit 6.6 Cells and Systems Flashcard

Front

What is a cell?

Back

The smallest unit of life that can function independently and perform all necessary functions of life.

Front

What is the cell theory?

Back

A fundamental concept in biology that states: 1) All living things are made of cells, 2) Cells are the basic unit of life, 3) All cells come from pre-existing cells.

Front

What is the difference between unicellular and multicellular organisms?

Back

Unicellular organisms consist of a single cell, while multicellular organisms are made up of many cells.

Front

What is the function of the cell membrane?

Back

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

Front

What is the nucleus?

Back

The control center of the cell that contains genetic material (DNA) and regulates cell activities.

Front

What are organelles?

Back

Specialized structures within a cell that perform specific functions, such as mitochondria and ribosomes.

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 a tissue?

Back

A group of similar cells that work together to perform a specific function.

Front

What is an organ?

Back

A structure made up of different types of tissues that work together to perform a specific function.

Front

What is a system in biology?

Back

A group of organs that work together to perform complex functions in an organism.