Topic 2 - The Cell System Vocabulary

Front

What is the basic unit of structure and function in living things?

Back

Cell

Front

An instrument that makes small objects look larger is called a _______.

Back

Microscope

Front

What is a widely accepted explanation of the relationship between cells and living things?

Back

Cell theory

Front

A tiny cell structure that carries out a specific function within the cell is known as a _______.

Back

Organelle

Front

What is a rigid supporting layer that surrounds the cells of plants and some other organisms?

Back

Cell wall

Front

A thin, flexible barrier that surrounds a cell and controls which substances pass into and out of a cell is called a _______.

Back

Cell membrane

Front

The thick fluid region of a cell located inside the cell membrane (in prokaryotes) or between the cell membrane and nucleus (in eukaryotes) is known as _______.

Back

Cytoplasm

Front

In cells, a large oval organelle that contains the cell’s genetic material in the form of DNA and controls many of the cell’s activities is called the _______.

Back

Nucleus

Front

Rod-shaped organelles that convert energy in food molecules to energy the cell can use to carry out its functions are known as _______.

Back

Mitochondria

Front

An organelle in the cells of plants and some other organisms that captures energy from sunlight and changes it to an energy form that cells can use in making food is called a _______.

Back

Chloroplast