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10 Cards in this Set

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Surface-Volume Ratio
Physical relationship in which volume increases with the cube of the diameter, but surface area increases with the square; constrains increases in cell size
Fluid-Mosaic Model
A cell membrane is fluid because of the motions and interactions of its component lipids and proteins.
Nucleus
Organelle that physically separates DNA from the cytoplasm in a eukaryotic cell.
Mitochondria
Organelle of ATP formation; site of aerobic respiration’s second and third stages.
Chloroplasts
Organelle of photosynthesis in plants and many protists
Cell Wall
A semirigid, permeable structure encloses the plasma membrane of many cells; helps cell retain its shape and resist rupturing
Cilia
short, usually numerous hair-like projections that undulate
Flagella
longer, usually fewer whip-like projections
Pseudopod
Temporary, irregular lobes that project from the cell and function in locomotion and prey capture
Have microfilaments
Cell Theory
Idea that all organisms consist of similar units of organization called cells.