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24 terms

OSH Adjusted Biology: Structure & Function of Cells

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cell
the smalles unit that can carry out all 8 characteristics of life
organism
any living thing
unicellular
an organism that is made of one cell
multicellular
an organisme that is made of more than one cell
organelle
a part of a cell that has a specific function (kind of like an organ in your body)
cell membrane
an organelle that surrounds the cell and controls what goes into and comes out of the cell (kind of like your skin)
nucleus
an organelle that tells the other organells what to do (kind of like your brain)
mitochondrion
an organelle the produces energy for the cell
endoplasmic reticulum
an organelle that changes or modifies proteins and lipids
ribosome
the organelle that makes proteins
Golgi complex
the organelle that packages proteins after they are made
lipids
fats
lysosome
an organelle that digests food and destroys harmful particles
cell wall
a stiff (rigid) structure that supports a plant cell
chloroplast
an organelle where plant cells make food
photosynthesis
the process that plants use to make food
tissue
a group of cells that work together to perform a specific job (muscle tissue, skin tissue, etc.)
organ
a group of two or more tissues that work together to perform a specific job (heart, liver, lungs, skin, etc.)
organ system
a group of organs that work together to perform a specific job (like the digestive system, the muscular system, the respiratory system, etc.)
The Cell Theory
1.) All organisms are mad of one or more cells. 2.) The cell is the basic unit of all living things. 3.) All cells come only from other cells.
Levels of Organization
cells, tissues, organs, organ systems, whole organisms
cytoplasm
a jelly like fluid that allows organelles and chemicals to move safely around inside the cell
eukaryotic cell
a cell that has a nucleus
prokaryotic cell
a cell that does not have a nucleus