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Author Topic: VCE Biology Question Thread  (Read 3570922 times)  Share 

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jammol7

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Re: VCE Biology Question Thread
« Reply #12270 on: December 12, 2019, 06:21:01 pm »
0
Hi guys, I got a 49 raw in bio this year, what would roughly the scaled score be? Thanks!
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Sine

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Re: VCE Biology Question Thread
« Reply #12271 on: December 12, 2019, 06:23:55 pm »
+2
Hi guys, I got a 49 raw in bio this year, what would roughly the scaled score be? Thanks!
Probably just a touch higher. Bio doesnt tend to scale that much.

jammol7

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Re: VCE Biology Question Thread
« Reply #12272 on: December 12, 2019, 06:27:28 pm »
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Probably just a touch higher. Bio doesnt tend to scale that much.
Thank you!
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SmartWorker

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Re: VCE Biology Question Thread
« Reply #12273 on: December 14, 2019, 06:48:21 pm »
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Hi how do you get a premier award in biology, do you like apply it or does VCAA award to you?
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darkz

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Re: VCE Biology Question Thread
« Reply #12274 on: December 14, 2019, 06:52:55 pm »
+1
Hi how do you get a premier award in biology, do you like apply it or does VCAA award to you?

Everyone gets ranked i.e. exam scores and SAC scores and then around the top 7 get awarded the premiers award.
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SmartWorker

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Re: VCE Biology Question Thread
« Reply #12275 on: December 14, 2019, 07:00:08 pm »
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Everyone gets ranked i.e. exam scores and SAC scores and then around the top 7 get awarded the premiers award.

Thanks Darkz, just another question how many people get a 50 in Bio
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darkz

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Re: VCE Biology Question Thread
« Reply #12276 on: December 14, 2019, 07:03:15 pm »
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Thanks Darkz, just another question how many people get a 50 in Bio

Around 30 or so
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SmartWorker

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Re: VCE Biology Question Thread
« Reply #12277 on: December 15, 2019, 01:16:19 pm »
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Is the Campbell Biology text worth the read for 3/4 and what would the benefits of doing so be? Like does this help with furthering my understanding?

Does the channel and carrier proteins in facilitated diffusion count as pumps or is that only used to describe active transport proteins?

Thanks :)

mod edit: merged double post
« Last Edit: December 15, 2019, 10:48:41 pm by PhoenixxFire »
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Geoo

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Re: VCE Biology Question Thread
« Reply #12278 on: December 15, 2019, 01:24:06 pm »
+1
Does the channel and carrier proteins in facilitated diffusion count as pumps or is that only used to describe active transport proteins?

Thanks :)

From my knowledge pumps are only for ions (e.g Na+), and are just carrier proteins specifically for ions.
A pump can be used in either facilitated diffusion and active transport. It's just the same term, so it can be used to describe both types of transport.
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darkz

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Re: VCE Biology Question Thread
« Reply #12279 on: December 15, 2019, 01:27:09 pm »
+1
Is the Campbell Biology text worth the read for 3/4 and what would the benefits of doing so be? Like does this help with furthering my understanding?

If you have nothing to do, then give Campbell's a read - otherwise, there isn't really a need to do so. The Nature of Biology textbook pretty much has everything you need and more.
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Erutepa

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Re: VCE Biology Question Thread
« Reply #12280 on: December 15, 2019, 08:55:56 pm »
+5
Does the channel and carrier proteins in facilitated diffusion count as pumps or is that only used to describe active transport proteins?

Thanks :)
pumps are types of carrier proteins that actively transport ions and small molecules across the membrane and require ATP; they carry out ctive transport only.
Thus carrier and channel proteins carrying out facilitated diffusion are not pumps
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miyukiaura

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Re: VCE Biology Question Thread
« Reply #12281 on: January 15, 2020, 05:58:27 pm »
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A question about carrier proteins (not channel proteins) - do they transport ions as well as hydrophilic uncharged substances in facilitated diffusion? Or do they only transport ions by means of active transport (i.e. ion pumps)?
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Erutepa

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Re: VCE Biology Question Thread
« Reply #12282 on: January 15, 2020, 06:34:40 pm »
+2
A question about carrier proteins (not channel proteins) - do they transport ions as well as hydrophilic uncharged substances in facilitated diffusion? Or do they only transport ions by means of active transport (i.e. ion pumps)?
Carrier proteins carry out the facilitated diffusion of small molecules (not neccasarily hydrophobic/hydrophilic as they do also facilitate the diffusion of some small hydrophobic molecules which are too large to diffuse passively) with the exeption of ions. From my understanding, all facilitated diffusion of ions occur through ion channels (channel proteins, not carrier proteins) while the active transport of ions, as you have noted, occurs though ion pumps.
Hopefully this helps!  :)
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miyukiaura

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Re: VCE Biology Question Thread
« Reply #12283 on: January 15, 2020, 07:13:27 pm »
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Carrier proteins carry out the facilitated diffusion of small molecules (not neccasarily hydrophobic/hydrophilic as they do also facilitate the diffusion of some small hydrophobic molecules which are too large to diffuse passively) with the exeption of ions. From my understanding, all facilitated diffusion of ions occur through ion channels (channel proteins, not carrier proteins) while the active transport of ions, as you have noted, occurs though ion pumps.
Hopefully this helps!  :)
Ok, thank you that helps a lot!!
What are some examples of small hydrophobic molecules which are too large to passively diffuse across?
« Last Edit: January 15, 2020, 08:00:07 pm by miyukiaura »
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Raine

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Re: VCE Biology Question Thread
« Reply #12284 on: January 15, 2020, 08:04:51 pm »
+4
Ok, thank you that helps a lot!!
What are some examples of small hydrophobic molecules which are too large to passively diffuse across?
I have attached a nice image that you can add to your notes  :)

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