Cell Structures

organelle

any of a number of organized or specialized structures within a living cell.

cell wall

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

cell membrane

A cell structure that controls which substances can enter or leave the cell.

cytoplasm

A jellylike fluid inside the cell in which the organelles are suspended

nucleus

Control center of the cell

mitochondria

Powerhouse of the cell, organelle that is the site of ATP (energy) production

chloroplasts

Capture energy from sunlight and use it to produce food for the cell

vacuole

A sac inside a cell that acts as a storage area

structure

The arrangement of parts in an organism

function

the special, normal, or proper activity of an organ or part

Endoplasmic Reticulum

A cell structure that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another.

Golgi Apparatus

stack of membranes in the cell that modifies, sorts, and packages proteins from the endoplasmic reticulum

ribosomes

Makes proteins

lysosomes

Uses chemicals to break down food and worn out cell parts

levels of Organization

cell, tissue, organ, organ system, organism