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A tiny cell structure that performs a specific function within the cell
organelle
The way something is built or arranged
structure
The job or activity that something performs
function
The rigid supporting layer that surrounds the cells of plants and some other organisms
cell wall
A thin, flexible barrier that surrounds a cell and controls which substances pass into and out of a cell
cell membrane
A clear, gel-like fluid that fills the region between the cell membrane and the nucleus
cytoplasm
A large oval organelle that contains the cell's genetic material and controls many of the cell's activities
nucleus
A structure inside the nucleus that produces ribosomes
nucleolus
An organelle with a network of membranes that processes many substances, including proteins and lipids
endoplasmic reticulum (ER)
Small structures that make proteins for use in the cell
ribosomes
An organelle that receives, packages, and distributes proteins and other materials
Golgi apparatus
Organelles that convert energy stored in food into energy the cell can use
mitochondria
An organelle that captures energy from sunlight and helps cells make food
chloroplast
A green pigment that collects energy from sunlight
chlorophyll
Organelles that break down food particles and old cell parts
lysosomes
A sac-like organelle that stores water, food, or other materials needed by the cell
vacuole
