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Liv Env. Unit 2

2022 Unit 2 study sheet

TermDefinition
Eukaryotic cells has a nucleus, cell membrane, cytoplasm, multicellular, has organelles
Prokaryotic cells no nucleus, but has cell membrane, cytoplasm
Only in plant cells cell wall, central vacuole and chloroplasts
Only in animal cells centrioles
cell theory all living things made of cells, cells are basic unit of life, all cells come form cells,
cell's boundary from its environment cell membrane
vacuoles sac-like structure that stores water, salt, proteins and carbohydrates
lysosomes break down old cells and digests foreign substances
cell membrane controls the passage of materials into and out of a cell
flagella acts as a whipping propeller, moving a cell through its environment
mitochondria produces energy in the form of ATP
ribosomes makes proteins
cilia structures shaped like small oars that beat in unison to move the cell or the liquid around it.
nucleus protects DNA
golgi apparatus modifies and packages proteins
hypotonic water moves in to the cell and the cell swells
hypertonic water moves out of the cell and the cell shrivels
active transport needs energy for transport to take place
diffusion moves from high concentration to low concentration
osmosis movement of water
isotonic solution the concentration of water is equal on both sides of the membrane
endocytosis cell uses energy to move something into the cell
exocytosis cell uses energy to move something out of the cell
active transport requires energy, moves particles from lower concentration to higher concentration
passive transport moves particles from higher concentration to lower concentration, used to transport water
Created by: cboula
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