The Typical Cell

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  1. Plasma (cell) membrane
    forms the outer, limiting barrier separating the internal contents of the cell from the external environment
  2. Cytoplasm
    • general term for all cellular contents located between the plasma membrane and the nucleus
    • 3 components: cytosol (viscous fluid), inclusions (nonfunctional, temporary structures that store cellular products), and organelles (tiny structures that perform specific cellular functions)
  3. Ribosomes
    • synthesize proteins for:
    • 1. use in the cell (free ribosomes)
    • 2. secretion, incorporation in to plasma membrane, or lysosomes (fixed ribosomes)
  4. Smooth Endoplasmic Reticulum
    • synthesized lipids
    • metabolizes carbs
    • detoxifies drugs, alcohol
  5. Rough Endoplasmic Reticulum
    • synthesizes proteins for secretion, new proteins for the plasma membrane, and lysosomal enzymes
    • transports and stores molecules
  6. Golgi apparatus
    • modifies, packages, and sorts newly synthesized proteins for secretion, inclusion in new plasma membrane, or lysosomal enzymes
    • transports and stores molecules
  7. Lysosomes
    • digest materials or microbes ingested by the cell
    • remove old/damaged organelles
    • self-destruct (autolyze)
  8. Peroxisomes
    convert hydrogen peroxide formed during metabolism to water
  9. Mitochondria
    • synthesize most ATP during cellular respiration
    • "powerhouses of cell"
  10. Nucleus
    • acts as cell control center
    • controls all genetic info (DNA)
    • site of ribosome subunit assembly
Card Set:
The Typical Cell
2011-09-13 20:18:29
cell organelles body anatomy

Anatomy cell parts
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