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11 terms

Cell Parts and Organelles

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cell wall
a rigid layer of nonliving material that surrounds the cells of plants and some other organisms.
cell membrane
the outside cell boundary that controls which substances can enter or leave the cell.
nucleus
the control center of a eukaryotic cell that directs the cells activities and contains the information that determines the cell's form and function.
mitochondria
rod-shaped cell structures that convert energy in food molecules to energy the cell can use to carry out its functions.
endoplasmic reticulum
a cell structure that forms passageways in which proteins and other materials are carried through the cell.
ribosomes
a small grain-like structure in the cytoplasm of a cell where proteins are made
Golgi bodies
a structure in a cell that receives proteins and other newly formed materials from the ER, packages them, and distributes them to other parts of the cell.
chloroplasts
a structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food.
vacuole
a sac inside a cell that acts as a storage cell.
lysosomes
a small, round cell structure containing chemicals that break down large food particles into smaller ones.
cytoplasm
the material within a cell apart from the nucleus.