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Chapter 7--A Tour of the Cell
Flash cards on parts of the cell.
18
Biology
11th Grade
10/09/2013

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Term
Plasma Membrane
Definition
functions as a selective barrier that allows sufficient passage of oxygen, nutrients, and wastes to service the entire volume of the cell.
Term
Cytosol
Definition
Semifluid substance in the plasma membrane in which organelles are found.
Term
Prokaryotic Cell
Definition
DNA is concentrated in the nucleoid. (no nucleus)
Term
Eukaryotic Cell
Definition
Has a true nucleus.
Term
Cytoplasm
Definition
Region between nucleus and plasma membrane.
Term
Flagellum
Definition
present in some animal cells; composed of microtubules
Term
Centrosome
Definition
contains pair of centrioles in animal cell; region where cell's microtubules are initiated.
Term
Peroxisome
Definition
various specialized metabolic functions; produces hydrogen peroxide
Term
Cytoskeleton
Definition
reinforces cell's shape; functions in cell movement; components are made of protein
Term
Nucleolus
Definition
production of ribosomes
Term
Chromatin
Definition
consists of DNA and proteins, visible as individual chromosomes in a dividing cell
Term
Ribosomes
Definition
make proteins; free in cytoplasm or bound to rough ER.
Term
Golgi apparatus
Definition
synthesis, sorting, secretion of cell products.
Term
Mitochondrian
Definition
cellular respiration occurs and most ATP is generated
Term
Lysosome
Definition
digestive organelle where macromolecules are hydrolyzed
Term
Rough ER
Definition
ribosomes stud the cytoplasmic surface; adds proteins and p.lipids
Term
Smooth ER
Definition
surface lacks ribosomes; metabolic processes such as synthesis
Term
Extracellular matrix
Definition
extracellular part of animal tissue that usually provides structural support to the animal cells
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