Ch. 10 Cells

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organelles
small parts of cell that carry out a specific function
mitochondria
converts energy from food to energy for cell
cell wall
protects cell, rigid layer around plant cell
cell membrane
lets things in and out of the cell
cytoplasm
gel-fluid that fills all the empty space in cell
endoplasmic reticulum
forms a maze of passage way for proteins
nucleus
control center for the cell, directs activities
vacuole
stores water, food, gets rid of waste
lysosomes
breaks down food particles
ribosomes
making proteins
chloroplasts
converts energy from sun to food (photosynthesis)
golgi apparatus
receives proteins and packages and distributes them to other parts
osmosis
diffusion of water
Many Celled organisms
Specialized cells are found in
DNA
Chromosomes are found in cells and contain
Diffusion
Movement of molecules from higher concentration to lower concentration
Passive Transport
Movement of materials through a membrane WITHOUT using the cell's energy
Active Transport
Movement of materials through a membrane using the cell's energy
Bacteria
Single Celled organism without a nucleus
Cell Division
Allows organisms to grow, repair, and reproduce
Tissue
group of similar cells working together to perform a specific function
Organ
Different tissues that function together
Organ System
Group of organs working together to perform a specific function
Diffuse faster
Raising the temperature of a liquid will make molecules
Cell Theory
Cells make up living things, cells are the basic unit of structure and function, cells form from other cells