Chapter 3 Flashcards: Cells
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a type of cell that has specialized organelles (such as a nucleus) to perform various cellular functions
eukaryotic cell
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a type of cell that does NOT have specialized organelles (such as a nucleus) to perform various cellular functions
prokaryotic cell
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karyo
kernel, nucleus (eukaryote) [suffix]
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eu
good, true (euphoria, eukaryote means true nucleus) [prefix]
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pro or pre
before (prolog, prefix; prokaryotes existed before eukaryotes) [prefix]
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cyto
cell (cytoplasm, cytoskeleton, endocytosis) [root]
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the semifluid medium in the interior of cells
cytoplasm
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structures within cells that make proteins
ribosomes
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the structure in the nucleus where ribosomes are made
nucleolus
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a set of membranes spreading out from the nuclear membrane to the plasma membrane
endomembrane system
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the organelle where proteins are synthesized
rough ER
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reticulate
netted; covered with a network [adjective]
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the organelle that processes and packages material made in the ER for transport elsewhere
Golgi apparatus
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the organelle where cellular respiration occurs, providing energy for cells
mitochondrion
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the large organelle that stores water and dissolved substances in plant cells
vacuole
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a type of cytoskeleton which form railroad-like "tracks" to provide transport for the cell
microtubules
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solute molecules move from areas of high concentration to areas of low concentration
diffusion
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diffusion of water through a membrane
osmosis
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contains higher concentration of solutes outside the cell than inside, and water moves out of the cell
hypertonic solution
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iso
equal (isotonic means equal concentrations) [prefix]
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hypo
low, under, below (hypothermia means low body temperature) [prefix]
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hyper
high, above, over (hypertension means high blood pressure) [prefix]
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protein that uses energy to move solutes up a concentration gradient across a membrane
pump
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the process of cellular intake of material by folding plasma membrane around it and forming a vesicle
endocytosis
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endo
inside, within (endoscope is used for colonoscopy; endoplasmic reticulum, endomembrane system) [prefix]
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exo or ex
outside, external (exit, exocytosis, exoskeleton) [prefix]
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the relationship where one species lives within another in a mutually beneficial way
endosymbiosis