Glossary of Introduction to Human Cells Chapters 1 and 2

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A sac inside a cell that acts as a storage area.
A structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food.
Golgi body
A structure in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages the, and distributes them to other parts of the cell.
A small grain-like structure in the cytoplasm of a cell where proteins are made.
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.
Rod shaped cell structures that convert energy in food molecules to energy the cell can use to carry out its functions.
The region between the cell membrane and the nucleus; in organisms without a nucleus.
A cell structure that contains nucleic acids, the chemical instructions that direct all the cell's activities.
cell membrane
A cell structure that controls which substances can enter or leave the cell.
cell wall
A rigid layer of nonliving material that surrounds the cells of plants and some other organisms.
A tiny cell structure that carries out a specific function within the cell.
cell theory
A widely accepted explanation of the relationship between cells and living things.
An instrument that makes small objects look larger.
The basic unit of structure and function in living things.
A small, round cell structure containing chemicals that break down large food particles into smaller ones.

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