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Edexcel BIOLOGY Doubts!!!!

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Saladin:
Hey you all, please post all yo bio doubts hea!

Tammy:
What do we have to study for Biology unit 3???!! There is nothing to study for it... ??? ??? ???

T.Q:

--- Quote from: Tammy on May 09, 2010, 07:21:46 am ---What do we have to study for Biology unit 3???!! There is nothing to study for it... ??? ??? ???

--- End quote ---

try this https://studentforums.biz/index.php/topic,7364.0.html

Summer :]:

--- Quote from: Tammy on May 09, 2010, 07:21:46 am ---What do we have to study for Biology unit 3???!! There is nothing to study for it... ??? ??? ???

--- End quote ---
All the practicals in unit 1 and 2
-daphnia's experiment
-cell permeability experiment
-vitamin c experiment
-enzyme controlled reactions experiments
-root tip squash experiment (observing mitosis)
-investigating totipotency in plants (tissue culture)
-mineral ions deficiency experiment
-antimicorbial properties of plants experiment
- plant fibres experiment
thats all
and some background of some unit 1 information such as CVDS and their risks, Genetic diseases (like CF) and genetic diagrams, what else..
genetic screening
(scan through)
for unit 2, basically you're taking the exam now in june so you know the information/facts there..

Blizz_rb93:
I have this question regarding Beetroot pigments..

 Suggest why it was necessary to rinse the beetroot discs before they were added to the distilled water.

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