Jellotime
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#1
Report Thread starter 8 years ago
#1
Hey, just did the by1 paper and was wondering how others found it. To be honest, i didnt find it that difficult. Some parts got me thinking a little but generally it was an okay paper. Feel free to share your answers here!
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TheRamadu
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#2
Report 8 years ago
#2
I was personally very happy with the paper. Thought it was great. I did the nucleic acids 10 marker. The only question which i struggled with was the photograph of a nucleus and the random question asking for a definition of cancer. Although i think i managed to blag answers to those
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linyx
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#3
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#3
What did you guys put for the lysosome question? I said induced fit hypothesis.
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TJLD7
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#4
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#4
I said induced fit because I've not heard of an enzyme that actually obeys the lock and key. I had no clue really though. I said for the red blood cell membrane that the reduced fluidity of the phospholipids would make it harder for Oxygen and CO2 to diffuse in and out as they diffuse across via the phospholipid part right?


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Jellotime
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#5
Report Thread starter 8 years ago
#5
(Original post by TJLD7)
I said induced fit because I've not heard of an enzyme that actually obeys the lock and key. I had no clue really though. I said for the red blood cell membrane that the reduced fluidity of the phospholipids would make it harder for Oxygen and CO2 to diffuse in and out as they diffuse across via the phospholipid part right?


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Yeah i said something along those lines. Not really sure if it's right though
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Jellotime
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#6
Report Thread starter 8 years ago
#6
What do you think grade boundaries will be like?
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TheRamadu
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#7
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#7
Its usually around 54 for an a. Id say that or higher

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katie1109
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#8
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#8
anyone get anaphase, prophase, telophase and metaphase for the order of mitotic stages?
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anna1233
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#9
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#9
(Original post by katie1109)
anyone get anaphase, prophase, telophase and metaphase for the order of mitotic stages?
I did!
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Mikoto
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#10
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#10
(Original post by katie1109)
anyone get anaphase, prophase, telophase and metaphase for the order of mitotic stages?
I put anaphase, prophase, anaphase and metaphase but everyone i've talked to has put the same as you
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anna1233
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#11
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#11
what did everyone get for the water potential calculation?
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Mikoto
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#12
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#12
(Original post by anna1233)
what did everyone get for the water potential calculation?
-860kPa
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anna1233
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#13
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#13
(Original post by Mikoto)
-860kPa
how many marks was that? I think i've got that one wrong
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Izzie442
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#14
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#14
What did you think of question 7 on osmosis ?
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anna1233
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#15
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#15
(Original post by Izzie442)
What did you think of question 7 on osmosis ?
I thought it was okay apart from the water potential calculation!
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Jellotime
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#16
Report Thread starter 8 years ago
#16
(Original post by anna1233)
how many marks was that? I think i've got that one wrong
That was 3 marks. Did you show any working at all? You might get a mark for stating the equation for water potential.
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anna1233
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#17
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#17
(Original post by Jellotime)
That was 3 marks. Did you show any working at all? You might get a mark for stating the equation for water potential.
yeah I wrote the equation!
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Jellotime
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#18
Report Thread starter 8 years ago
#18
Did anyone go blank on that question about cancer?
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random_kid
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#19
Report 8 years ago
#19
Hey,

For the 10 marker on carbs i drew an alpha glucose and beta glucose. I also showed a condensation reaction and explained it. I included tests as well for reducing and non reducing sugars and I talked about cellulose, chitin and starch so would that be okay and how many marks do you think I'll get??

Thanks
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Mikoto
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#20
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#20
(Original post by Jellotime)
Did anyone go blank on that question about cancer?
yep and the question before it about antibiotics
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