Qualification > Sciences

Biology Paper 1 and 3 help HERE ONLY!!!

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Ibiza279:
see wat i mean this is wat an exponential curve is (down)

Ibiza279:
where is everybody ?

Triple_A:

--- Quote from: IGSTUDENT on June 07, 2009, 01:02:20 pm ---
--- Quote from: Triple_A on June 07, 2009, 12:19:53 pm ---plz someone answer this question
"how can salt help in preventing decay?!!!" ???

--- End quote ---
salt will absorb water from bacteria and without that the bacteria dies

--- End quote ---
Thanks aloooooot

examsaresoon:
Can some one answer these questions please?

(a)   Explain how water passes from the soil into the vacuole of the root hair cell.
(b)   A small insect flies towards the eye, causing the person to blink.  Describe a possible reflex arc for this reflex action.



247sports:
guys can an1 of u explain me
m/j 2003
question 2b)ii)
Thanks

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