AP Biology Unit Two

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Across
  1. 2. An extracellular glycoprotein secreted by animal cells that helps them attach to the extracellular matrix.
  2. 3. A membranous sac formed by phagocytosis of microorganisms or particles to be used as food by the cell.
  3. 5. In a mature plant cell, a large membranous sac with diverse roles in growth, storage, and sequestration of toxic substances.
  4. 6. A type of intercellular junction in animal cells that functions as a rivet, fastening cells together.
  5. 7. The semifluid portion of the cytoplasm.
  6. 8. The contents of the cell bounded by the plasma membrane; in eukaryotes, the portion exclusive of the nucleus.
  7. 9. A circular flow of cytoplasm, involving interactions of myosin and actin filaments, that speeds the distribution of materials within cells.
  8. 10. The disruption of a cell and separation of its parts by centrifugation at successively higher speeds.
Down
  1. 1. A membranous sac that helps move excess water out of certain freshwater protists.
  2. 4. The meshwork surrounding animal cells, consisting of glycoproteins, polysaccharides, and proteoglycans synthesized and secreted by cells.