ph activation   2 videos

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  Enzymes

  Biology Chemical Basis of Life

  The description and mechanistic functions of enzymes.

  enzyme protein catalyst substrate pH activation energy induced fit active site
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  Cell Transport

  Biology Cell Functions and Processes

  An overview of cell transport and its different types.

  cell transport passive active ATP cellular diffusion facilitated diffusion osmosis endocytosis exocytosis protein pumps phagocytosis pinocytosis