Tour of a Cell

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Full list of words from this list:

words only definitions & notes
  1. cell
    the basic structural and functional unit of all organisms
  2. entity
    that which is perceived to have its own distinct existence
  3. magnification
    the act of expanding something in apparent size
  4. resolution
    a decision to do something or to behave in a certain manner
  5. contrast
    the opposition or dissimilarity of things that are compared
  6. microorganism
    any living thing that is too small to be seen with the naked eye
  7. organelle
    a specialized part of a cell; analogous to an organ
  8. microscope
    magnifier of the image of small objects
  9. light microscope
    microscope consisting of an optical instrument that magnifies the image of an object
  10. cytology
    the branch of biology that studies the structure and function of cells
  11. centrifuge
    an apparatus that separates particles from a suspension
  12. semifluidity
    a property midway between a solid and a liquid
  13. metabolism
    the organic processes that are necessary for life
  14. prokaryotic
    having cells that lack membrane-bound nuclei
  15. cytoplasm
    the substance inside a cell, not including the nucleus
  16. cytosol
    the aqueous part of the cytoplasm within which various particles and organelles are suspended
  17. eukaryotic
    having cells with `good' or membrane-bound nuclei
  18. plasma membrane
    a thin membrane enclosing the cytoplasm of a cell
  19. phospholipid
    any of various compounds composed of fatty acids and phosphoric acid and a nitrogenous base; an important constituent of membranes
  20. nucleus
    a part of the cell responsible for growth and reproduction
  21. intricate
    having many complexly arranged elements; elaborate
  22. chromosome
    a threadlike strand of DNA that carries genes
  23. chromatin
    the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes
  24. nucleolus
    a round body in a cell that is involved in protein synthesis
  25. ribosome
    a particle in a cell that helps synthesize proteins
  26. vesicle
    a small anatomically normal sac or bladderlike structure
  27. cisterna
    a sac or cavity containing fluid especially lymph or cerebrospinal fluid
  28. hydroxyl
    the monovalent group -OH in such compounds as bases and some acids and alcohols
  29. barbiturate
    organic compound having powerful soporific effect
  30. proliferation
    a rapid increase in number
  31. lumen
    a cavity or passage in a tubular organ
  32. glycoprotein
    a conjugated protein having a carbohydrate component
  33. Golgi apparatus
    a netlike structure in the cytoplasm of animal cells
  34. lysosome
    a membrane-bound organelle containing digestive enzymes
  35. phagocytosis
    process in which phagocytes engulf and digest microorganisms and cellular debris; an important defense against infection
  36. vacuole
    a tiny cavity filled with fluid in the cytoplasm of a cell
  37. contractile
    capable of contracting or being contracted
  38. mitochondrion
    part of a cell involved in energy production
  39. chloroplast
    organelle in which photosynthesis takes place
  40. plastid
    any of various small particles in the cytoplasm of the cells of plants and some animals containing pigments or starch or oil or protein
  41. stroma
    the supporting tissue of an organ (as opposed to parenchyma)
  42. oxidation
    the process by which a substance combines with oxygen
  43. cytoskeleton
    a microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence
  44. microtubule
    a microscopically small tubule
  45. dimer
    a compound whose molecules are composed of two identical monomers
  46. centrosome
    small region of cytoplasm adjacent to the nucleus
  47. centriole
    one of a pair of small cylindrical cell organelles near the nucleus in animal cells; composed of nine triplet microtubules and form the asters during mitosis
  48. flagellum
    a lash-like appendage used for locomotion
  49. cilium
    a hairlike projection from the surface of a cell
  50. ciliated
    having a margin or fringe of hairlike projections
  51. actin
    one of the proteins into which actomyosin can be split
  52. cortex
    the tissue forming the outer layer of an organ or structure
  53. pseudopodium
    temporary outgrowth used by some microorganisms as an organ of feeding or locomotion
  54. cell wall
    a rigid layer of polysaccharides enclosing a plant membrane
  55. collagen
    a fibrous protein found in bone and connective tissue
Created on 七月 6, 2010

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