Cell Theory

living things are made of one or more cells; the cell is the smallest unit of life; new cells come from pre-existing cells. It is the basic fundamental theory of Biology.

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NGSS.MS-LS1-1

NGSS.MS-LS1-2

macromolecule that forms when a long chain of nucleotides join together

long chain of amino acid molecules

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NGSS.HS-LS1-1

explanation based on scientific knowledge resulting from several observations and experiments

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NGSS.MS-LS4-4

NGSS.MS-PS1-2

protects the inside of the cell from the environment

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NGSS.MS-LS1-2

stiff structure outside the cell membrane

membrane-bound organelle thatuses light energy and makes food

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NGSS.MS-LS1-6

fluid inside a cell that contains salts and other molecules

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NGSS.MS-LS1-2

network of threadlike proteins inside a cell

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NGSS.MS-LS1-2

outer covering