Wednesday, 8 May 2013

Biology

      Cell  Membrane  and  Permeability    Lab  Report   compend     Question  8:   In  part  B  we  had  to   reveal  out  what  the  influence  of  time  on  diffusion  would  be.  We   were  to   give away  the  changes  of  potato  slices,  which  were  put  into  beakers  with   5%  potassium  permanganate,  all   off-key  them  for  different  amounts  of  time.  First  of   all,  we  had  to  put  four  of  the  five  slices  of  potato  in  a  small  beaker  filled  with   potassium.  These  slices  had  to  be   calculated  1  cm  on  each  side.  Within  the   succeeding(a)   every  10   minutes  we  took  out  each   unmatchable  of  the  slices  from  the  beakers  with  the   use  of  tweezers.  This  meant  that   pulley-block  number  1-­?  in  0  minutes  (because  it  was   not  placed  in  anything,  it  is  also  considered  as  our   crack).   city block  number  2-­?  10   in  10  minutes.
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 Cube  number  3-­?  in  20  minutes.  Cube  number  4-­?  in  30  minutes.   And  cube  number  5-­?  in  40  minutes.   any  time  when  e  slice  was  taken  out,  we   had  to  see   last  diffusion  had  occurred.  The  first  cube  would  serve  as  the   analogy  to  cube  number  2  (the  same  went  for  the  others,  every  cube  was   compared  to  the  previous  one).  We  had  to  slice  each  cube  open  with  a  razor   blade  in  order  to  see...
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