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18 Cards in this Set

  • Front
  • Back
basic unit of life
cell
regulates what enters and leaves the cells
plma membrane
control center of the cell
contains chromosomes
contains nuclolus
nucleus
makes ribosomes
nucleolus
liquid portion of the plasma membrane
cytosol
structures that carry out specific functions
organelles
two pairs of dna nucleotides
A-T
G-C
forms sex cells
divides the chromosome number in half
meiosis
dvision of body cells
mitosis
stages of mitosis
prophase, metaphase, anaphase, telophase
molecules move from a higher concentration to area of lower concentration
diffusion
diffusion of water through semipermeable membrane
osmosis
movement of materials through plasma membrane under mechanical force
filtration
movement of materials with aid of transporters in plamsa membrane
facilitated diffusion
movement of solute particles from area of lower concentration to higher concentration
requires transporters
active transportors
same concentration as cell fluids
cell remains the same
isotonic solution
lower concentration that cell fluids
cell swells and may burst
hypotonic solution
higher concentration that the cell gluids
cell shrinks
hypertonic solution