Qualification > Sciences

Biology Paper 1

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nid404:
1 amino acid=3 nucleotides

unknown 101:

--- Quote from: nid404 on May 22, 2010, 05:57:40 pm ---1 amino acid=3 nucleotides

--- End quote ---

yea i got it, Thanks ;)

ruby92:
m/j 2006 q 17
and o/n 2006 1

unknown 101:

--- Quote from: ruby92 on May 22, 2010, 09:26:35 pm ---m/j 2006 q 17
and o/n 2006 1

--- End quote ---

m/j Q17: if it was first put in 0.35 mol.dm-3, and no change occured then that means conc. gradient inside the cell and outside are the same, when u decrease conc. to 0.1, sucrose inside the cell will diffuse outside down a conc. gradient.
so that means that solutes r lost from the cell, increasing pressure potential.
hope this helped :)

ruby92:
wont pressure potential increase if water moves into cell.
here water is moving out.
the pressure potential should decrease.
the cell will become flaccid??

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