CELL VOCABULARY

1st 11

Cell

the basic unit of life

Cell Membrane

a thin structure that surrounds the cell and controls the movement of materials into and out of the cell

Cell Wall

the outer, nonliving part of a plant cell that provides structure to the cell

Chloroplast

a green, disc-shaped organelle in planets that captures sunlight for making food

Cytoplasm

a gel-like substance inside a cell that contains all of the living material except the nucleus

Deoxyribonucleic acid (DNA)

the chemical contained in chromosomes that stores information about an organism

Diffusion

the movement of a material from an area where molecules are crowded to an area where they are less crowded

Electron microscope

instruments that use beams of electrons to magnify things

Endoplasmic reticulum (ER)

a system of tubes that processes and moves proteins within the cell

Golgi bodies

package and distribute proteins outside the cell

Homeostasis

the ability of organisms to maintain a constant internal condition