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The synthesis phase of the cell cycle; the
      S phase           portion of interphase during which DNA is
                                         replicated.




                        The pacemaker of the heart, located in the
                         wall of the right atrium. At the base of the
SA (sinoatrial) node   wall separating the two atria is another patch
                         of nodal tissue called the atrioventricular
                                          node (AV).




                       Members of the phylum Ascomycetes, these
                       range in size and complexity from unicellular
                        yeasts to minute leafspot fungi to elaborate
     sac fungi          cup fungi and morels. About half of the sac
                          fungi live with algae in the mutualistic
                                associations called lichens.




                        A chamber in the vestibule behind the oval
      saccule            window that participates in the sense of
                                        balance.




                         A salivary gland enzyme that hydrolyzes
 salivary amylase                         starch.
salivary glands




        salt




saltatory conduction




      saprobe




    scarcomere
sarcoplasmic reticulum




    saturated fatty acid




          savanna




     scaffolding protein




scanning electron microscope
            (SEM)
schizocoelous




Schwann cells




    scion




   sclera




  sclereid
sclerenchyma cell




          scrotum




         scutellum




          seascape




second law of thermodynamics
second messenger




 secondary cell wall




secondary compound




secondary consumer




 secondary growth
secondary immune response




    secondary oocyte




   secondary plant body




  secondary production




   secondary structure
secondary succession




     secretion




  secretory phase




 sedimentary rock




       seed
seed coat




seedless vascular plants




 segmentation genes




segment-polarity genes




 selection coefficient
selective channels




selective permeability




 self-incompatibility




     semelparity




       semen
semicircular canals




semiconservative model




   semilunar valve




    seminal vesicle




 seminiferous tubules
sensation




 sensitive period




sensory adaptation




 sensory division




  sensory input
Biology Flash Cards 5
sensory neuron
      sensory reception
       sensory receptor
    sensory transduction
              sepal
              septa
sequential hermaphroditism
           serotonin
               seta
      sex chromosomes
        sex-linked gene
     sexual dimorphism
    sexual reproduction
        sexual selection
  shared derived character
 shared primitive character
         shoot system
        short-day plant
     short-term memory
      sickle-cell disease
          sieve plate
    sieve-tube members
sign stimulus
                  signal
            signal peptide
signal recognition particle (SRP)
  signal-transduction pathway
       signature sequences
         simple epithelium
          single nucleotide
      polymorphisms (SNPs)
            single-lens eye
  single-strand binding protein
              sink habitat
                 sinuses
          sister chromatids
           skeletal muscle
      sliding-filament model
    slow block to polyspermy
         slow muscle fibers
            small intestine
small nuclear ribonucleoprotein
                (snRNP)
              smooth ER
           smooth muscle
           snowball Earth
           social behavior
             sociobiology
    sodium-potassium pump
                  solute
                solution
solvent
        somatic cell
somatic nervous system
          somites
          soredia
            sori
      source habitat
   Southern blotting
specialized transduction
         speciation
          species
    species diversity
     species richness
    species selection
   species-area curve
     specific epithet
       specific heat
  spectrophotometer
       spermatheca
    spermatogenesis
      spermatozoon
         sphincter
        spinal nerve
      spiral cleavage
        spiral valve
       spliceosome
        spongocoel
spontaneous generation
        sporangium
spore
      spore mother cells
          sporophylls
          sporophyte
        sporopollenin
          sporozoites
           squamata
           squamous
             stability
     stabilizing selection
             stamen
standard metabolic rate (SMR)
              stapes
              starch
            statocyst
            statolith
               stele
            stem cell
          stenohaline
         stereoisomer
             steroids
           sticky end
              stigma
               stipe
               stock
              stoma
            stomata
         Stramenopila
     stratified epithelium
stress-induced proteins
           strict aerobe
         strict anaerobe
          stroke volume
              stroma
           stromatolite
       structural formula
       structural isomers
                style
           substance P
             substrate
       substrate-feeders
substrate-level phosphorylation
             sugar sink
           sugar source
        sulfhydryl group
            summation
         supporting cell
     suppressor T cell (TS)
 suprachiasmatic nuclei (SCN)
         surface tension
       survivorship curve
       suspension-feede
    sustainable agriculture
   sustainable development
          swim bladder
             symbiont
             symbiosis
      sympathetic division
sympatric speciation
          symplast
      synapomorphies
           synapse
          synapsids
           synapsis
        synaptic cleft
      synaptic terminal
      synaptic vesicles
          syngamy
         systematics
systemic acquired resistance
             (SAR)
    systemic circulation
            systole
Biology Flash Cards 5
Biology Flash Cards 5
Biology Flash Cards 5
Biology Flash Cards 5
Biology Flash Cards 5
Biology Flash Cards 5

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Biology Flash Cards 5

  • 1. The synthesis phase of the cell cycle; the S phase portion of interphase during which DNA is replicated. The pacemaker of the heart, located in the wall of the right atrium. At the base of the SA (sinoatrial) node wall separating the two atria is another patch of nodal tissue called the atrioventricular node (AV). Members of the phylum Ascomycetes, these range in size and complexity from unicellular yeasts to minute leafspot fungi to elaborate sac fungi cup fungi and morels. About half of the sac fungi live with algae in the mutualistic associations called lichens. A chamber in the vestibule behind the oval saccule window that participates in the sense of balance. A salivary gland enzyme that hydrolyzes salivary amylase starch.
  • 2. salivary glands salt saltatory conduction saprobe scarcomere
  • 3. sarcoplasmic reticulum saturated fatty acid savanna scaffolding protein scanning electron microscope (SEM)
  • 4. schizocoelous Schwann cells scion sclera sclereid
  • 5. sclerenchyma cell scrotum scutellum seascape second law of thermodynamics
  • 6. second messenger secondary cell wall secondary compound secondary consumer secondary growth
  • 7. secondary immune response secondary oocyte secondary plant body secondary production secondary structure
  • 8. secondary succession secretion secretory phase sedimentary rock seed
  • 9. seed coat seedless vascular plants segmentation genes segment-polarity genes selection coefficient
  • 10. selective channels selective permeability self-incompatibility semelparity semen
  • 11. semicircular canals semiconservative model semilunar valve seminal vesicle seminiferous tubules
  • 12. sensation sensitive period sensory adaptation sensory division sensory input
  • 14. sensory neuron sensory reception sensory receptor sensory transduction sepal septa sequential hermaphroditism serotonin seta sex chromosomes sex-linked gene sexual dimorphism sexual reproduction sexual selection shared derived character shared primitive character shoot system short-day plant short-term memory sickle-cell disease sieve plate sieve-tube members
  • 15. sign stimulus signal signal peptide signal recognition particle (SRP) signal-transduction pathway signature sequences simple epithelium single nucleotide polymorphisms (SNPs) single-lens eye single-strand binding protein sink habitat sinuses sister chromatids skeletal muscle sliding-filament model slow block to polyspermy slow muscle fibers small intestine small nuclear ribonucleoprotein (snRNP) smooth ER smooth muscle snowball Earth social behavior sociobiology sodium-potassium pump solute solution
  • 16. solvent somatic cell somatic nervous system somites soredia sori source habitat Southern blotting specialized transduction speciation species species diversity species richness species selection species-area curve specific epithet specific heat spectrophotometer spermatheca spermatogenesis spermatozoon sphincter spinal nerve spiral cleavage spiral valve spliceosome spongocoel spontaneous generation sporangium
  • 17. spore spore mother cells sporophylls sporophyte sporopollenin sporozoites squamata squamous stability stabilizing selection stamen standard metabolic rate (SMR) stapes starch statocyst statolith stele stem cell stenohaline stereoisomer steroids sticky end stigma stipe stock stoma stomata Stramenopila stratified epithelium
  • 18. stress-induced proteins strict aerobe strict anaerobe stroke volume stroma stromatolite structural formula structural isomers style substance P substrate substrate-feeders substrate-level phosphorylation sugar sink sugar source sulfhydryl group summation supporting cell suppressor T cell (TS) suprachiasmatic nuclei (SCN) surface tension survivorship curve suspension-feede sustainable agriculture sustainable development swim bladder symbiont symbiosis sympathetic division
  • 19. sympatric speciation symplast synapomorphies synapse synapsids synapsis synaptic cleft synaptic terminal synaptic vesicles syngamy systematics systemic acquired resistance (SAR) systemic circulation systole