Topic 2 Flashcards

Front

Cell

Back

The basic unit of structure and function in living things.

Front

Microscope

Back

An instrument that makes small objects look larger.

Front

Cell theory

Back

A widely accepted explanation of the relationship between cells and living things.

Front

Distinguish

Back

To be able to tell one object from another by identifying key differences.

Front

Organelle

Back

A tiny cell structure that carries out a specific function within the cell.

Front

Cell wall

Back

A rigid supporting layer that surrounds the cells of plants and some other organisms.

Front

Cell membrane

Back

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

Front

Cytoplasm

Back

The thick fluid region of a cell located inside the cell membrane or between the cell membrane and nucleus.

Front

Nucleus

Back

A large oval organelle that contains the cell’s genetic material in the form of DNA and controls many of the cell’s activities.

Front

Chloroplast

Back

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.