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Sec 1- Discovering Cells Sec 2- Looking Inside Cells (Microscopes)


the basic unit of structure and function in living things


an instrument that makes small objects look larger

cell theory

a widely accepted explanation of the relationship between cells and living things


a tiny cell structure that carries out a specific function within the 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


a cell structure that contains nucleic acids, the chemical instructions that direct all the cell's activities


the region between the cell membrane and the nucleus


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 a maze of passageways in which proteins and other materials are carried from one part of the cell to another


a small grain-like structure in the cytoplams of a cell where proteins are made

Golgi body

a structure in a cell that receives proteins and other newly formed materials fromt he endoplamsic reticulum, packages them, and distributes them to other parts of the cell


a structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food


a sac inside a cell that acts as a storage area


a small round cell structure containing chemicals that break down large food particles into smaller ones

"For by Him all things were created ... All things were created through Him and for Him ... And in Him all things exist."

Col 1:16-17

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