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Bio help! atp, please? :(

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Lsn,from where can I study for Paper 6 Biology?
That's partly what those who posted before me said, meaning, u have to read about experiments in your textbooks, you got to know about your chapters very well and understand the concepts, your experience in the laboratory and thinking skills which u'll acquire if you practice a lot of questions. :)
 
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So remember that starch is a complex molecule, which makes it difficult to pass through the membrane but, when its broken down into its simpler components, i.e, glucose molecules, then the latter can pass through. ^^
Btw, most welcomed. ^^

Can you please tell me how they carried out the xperiment in question 3?
I don't get what the distance form the finger tip is TwT

http://www.aims.edu.pk/download/o-level/bio/5090_s03_qp_6.pdf
 
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Can you please tell me how they carried out the xperiment in question 3?
I don't get what the distance form the finger tip is TwT

http://www.aims.edu.pk/download/o-level/bio/5090_s03_qp_6.pdf
Maybe if i explain it to you like this it would be better, try to imagine it like this:
I have a couple of needles (pins) with me and your eyes are banded.
I take 2 of them and place them on your finger in such a way that you feel them at 2 different places. ___|______|__ fingertip
Then i move one of the 2 pins so close that you feel that there is only one pin. _________|__fingertip

The distance from finger tip thing is this
suppose the line is your finger and | is a pin
___|_________|____ fingertip
.......|________________| = distance of | from finger tip
................................|______| = distance of | from finger tip
 
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Maybe if i explain it to you like this it would be better, try to imagine it like this:
I have a couple of needles (pins) with me and your eyes are banded.
I take 2 of them and place them on your finger in such a way that you feel them at 2 different places. ___|______|__ fingertip
Then i move one of the 2 pins so close that you feel that there is only one pin. _________|__fingertip

The distance from finger tip thing is this
suppose the line is your finger and | is a pin
___|_________|____ fingertip
.......|________________| = distance of | from finger tip
................................|______| = distance of | from finger tip

ohhhh.. I don't really get it but thanks anyways :)
 
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