Flashcards in quiz 1 qt2 test 1 Deck (18):
what is cytology?
the study of cells
what does cyto mean
what does histology mean?
the study of tissues
what are the levels of organization?
what is a cell?
the basic unit of life
what is interstitial fluid
made of h2o and salt
cells are bathed in this, keeps them moist and cleans them out
what are unicellular organisms?
consists of one cell (basic) ex: bacteria
what are multicellular organisms?
consists of more than 1 cell (complex) ex: plant
what is a prokaryotic cell?
(primitive) nuclear material is spread out, no nuclear membrane ex:blue green algae
what are eukaryotic cells?
advanced, nuclear material is confined, with a nuclear membrane
ex: all cells except blue green algae and bacteria
what is nutrition?
the cells need for taking in food (every cell needs this)
what is digestion?
break down of food, all cells do it
to make a copy
food being changed into energy (metabolism
getting rid of wastes
to release a product ex: oils, insulin, hormones
to make a product