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Author Topic: Edexcel BIOLOGY Doubts!!!!  (Read 131004 times)

Offline Dento

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #90 on: May 25, 2010, 05:14:22 pm »
paper was great, i used my A2 knowledge in the last question and some questions was tricky, we'll reveal some answers in 24 hours  ;D
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Offline Kim

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #91 on: May 25, 2010, 05:15:20 pm »
Quote from: Pharma on May 25, 2010, 05:14:22 pm
paper was great, i used my A2 knowledge in the last question and some questions was tricky, we'll reveal some answers in 24 hours  ;D

yeh it was awesome
i messed up in one question but the rest was gooooooooooood 8)
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Offline Dento

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #92 on: May 25, 2010, 05:16:26 pm »
i think i messed up on 1 as well, but nt really importnt, we can still score good grades i guess
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Offline Kim

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #93 on: May 25, 2010, 05:18:00 pm »
Quote from: Pharma on May 25, 2010, 05:16:26 pm
i think i messed up on 1 as well, but nt really importnt, we can still score good grades i guess
ofcourse hope
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Offline Blizz_rb93

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #94 on: May 25, 2010, 05:23:39 pm »
yeah same here i felt good on this exam!! for all the questions i had confidence in my answers :D inshallah we all get good grades
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Offline Dento

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #95 on: May 25, 2010, 05:23:51 pm »
i have alot of things to ask, cant wait for 24 hours !!!!!!!111  ???
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Offline Kim

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #96 on: May 25, 2010, 05:24:46 pm »
Quote from: Psyclax on May 25, 2010, 05:23:39 pm
yeah same here i felt good on this exam!! for all the questions i had confidence in my answers :D inshallah we all get good grades

ia we will
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Offline Darth Austrakast

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #97 on: May 26, 2010, 07:38:30 am »
i guess 24 hours is over!
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Offline Saladin

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #98 on: May 26, 2010, 08:41:40 am »
Quote from: Austrakast on May 26, 2010, 07:38:30 am
i guess 24 hours is over!

Yes, you can now discuss.
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Offline Kim

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #99 on: May 26, 2010, 08:42:30 am »
Quote from: Engraved on May 26, 2010, 08:41:40 am
Yes, you can now discuss.

lol but they are all offline
haha
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Offline Dento

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #100 on: May 26, 2010, 11:54:03 am »
ok here we go,
-why do we measure the initial rate of reaction?
-what was it for the mcq which was about the DNA, is it 2 pentose sugars joined together or 2 phosphates?
-what was the stagr of the cardiac cycle and the reason?
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Offline Kim

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #101 on: May 26, 2010, 11:59:08 am »
Quote from: Pharma on May 26, 2010, 11:54:03 am
ok here we go,
-why do we measure the initial rate of reaction?
-what was it for the mcq which was about the DNA, is it 2 pentose sugars joined together or 2 phosphates?
-what was the stagr of the cardiac cycle and the reason?

lol
ok
well i wrote because durin the beginning the substrate n enzyme are in large concentration so none will act as a limiting factor so we measure initial rate to get reliable value because after sumtime the rate would change
for 2 it was a phosphate joined to a pentose sugar
it was diastole because the heart was completely relaxed
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After all is said and done, more is said than done.

By the time a man realizes that maybe his father was right, he usually has a son who thinks he’s wrong.

The early bird may get the worm, but the second mouse gets the cheese.

Offline Dento

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #102 on: May 26, 2010, 12:02:23 pm »
i wrote because at the begining, the reaction's rate is at its maxiumum as the conc. is at maximum too.
for the second one, i made it 2 pentoses joined together ;D dono wat made me do so,
and i wrote diastole too but i wrote a different reason which is related to valves  ;D
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Offline Kim

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #103 on: May 26, 2010, 12:04:04 pm »
Quote from: Pharma on May 26, 2010, 12:02:23 pm
i wrote because at the begining, the reaction's rate is at its maxiumum as the conc. is at maximum too.
for the second one, i made it 2 pentoses joined together ;D dono wat made me do so,
and i wrote diastole too but i wrote a different reason which is related to valves  ;D

lol no prob
i messed up in the number of ppl
loosin 3 marks haha
i am sure they will give u marks for dat
yay so overall we both did well ;D
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After all is said and done, more is said than done.

By the time a man realizes that maybe his father was right, he usually has a son who thinks he’s wrong.

The early bird may get the worm, but the second mouse gets the cheese.

Offline Dento

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #104 on: May 26, 2010, 12:09:43 pm »
number of people was 310  ;D
the easiest question was the one about tumours, it was lovely  ;D
and what did u write for the von bla bla factor question where they said use ur knowledge of the blood clotting process???

and the one abotu cystic fibrosis, there were 2 questions,
one said how a gene mutation results in ......
and the second was why ppeople infected with cystic fib. will be infected with this bacteria rather than people having no cysticc fib.
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