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Author Topic: 1 week to go...  (Read 3552 times)  Share 

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thushan

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1 week to go...
« on: October 24, 2010, 09:38:12 am »
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How are we faring for the end of year exam?

Predictions for questions?

Exam tips?

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sillysmile

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Re: 1 week to go...
« Reply #1 on: October 24, 2010, 01:56:28 pm »
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I think that I will get a mid A.
I predict that they will probably have questions about biology.
read the questions carefully, and highlight the key words (this has been brainwashed into me by all my teachers)
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sillysmile

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Re: 1 week to go...
« Reply #2 on: October 24, 2010, 02:03:43 pm »
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btw if you want exam tips, check out douchy's next podcast when it's released.
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masonnnn

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Re: 1 week to go...
« Reply #3 on: October 24, 2010, 03:33:50 pm »
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Quote from: sillysmile on October 24, 2010, 01:56:28 pm
I predict that they will probably have questions about biology.

hahah

and i second the douchy episode, i'm waiting on it keenly.
he's been doing it a while and all the tips he has given so far have been amazing.
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pi

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Re: 1 week to go...
« Reply #4 on: October 24, 2010, 07:12:30 pm »
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The top 10 things I always used to get mixed-up/forgot/confused on:
1. hominoid/hominid/hominin
2. triplet/codon/anti-codon
3. There are no such things as dominant or recessive alleles, only dominant/recessive traits
4. DNA helicase is not in transcription, only in DNA replication
5. DNA is read 3' to 5', constructed 5' to 3'
6. Forgetting prosimians as the first primates
7. New World monkeys are older than Old World monkeys
8. Cultural differences between homo sapiens and homo neinderthals (sapiens used symbols... in case u didnt know)
9. Overall, mtDNA mutates slower than chromosomal DNA, but the HYPERVARIABLE D-LOOP mutates very fast
10. Law of independent assortment and Law of segregation are two separate things.
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Russ

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Re: 1 week to go...
« Reply #5 on: October 24, 2010, 07:34:32 pm »
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Quote from: Rohitpi on October 24, 2010, 07:12:30 pm

7. New World monkeys are older than Old World monkeys


PREHENSILE TAILS!

Well that's pretty much my one piece of knowledge about our ancestors :)
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golden

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Re: 1 week to go...
« Reply #6 on: October 25, 2010, 07:20:27 pm »
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What are you going to do on the day before the exam and the day of the exam (as it is in the afternoon).
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akira88

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Re: 1 week to go...
« Reply #7 on: October 25, 2010, 07:30:50 pm »
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How is helicase not involved in transcription? My teacher who has a PhD in some field of biology/chemistry said that it is involved in transcription. Could someone clear this up? Thanks,
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sillysmile

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Re: 1 week to go...
« Reply #8 on: October 25, 2010, 07:32:28 pm »
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Quote from: akira88 on October 25, 2010, 07:30:50 pm
How is helicase not involved in transcription? My teacher who has a PhD in some field of biology/chemistry said that it is involved in transcription. Could someone clear this up? Thanks,
I thought that helicase unwinds  dsDNA during transcription.
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stonecold

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Re: 1 week to go...
« Reply #9 on: October 25, 2010, 07:34:21 pm »
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Quote from: akira88 on October 25, 2010, 07:30:50 pm
How is helicase not involved in transcription? My teacher who has a PhD in some field of biology/chemistry said that it is involved in transcription. Could someone clear this up? Thanks,

Nice can of worms we've opened up here. :P
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Russ

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Re: 1 week to go...
« Reply #10 on: October 25, 2010, 07:34:51 pm »
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Quote from: akira88 on October 25, 2010, 07:30:50 pm
How is helicase not involved in transcription? My teacher who has a PhD in some field of biology/chemistry said that it is involved in transcription. Could someone clear this up? Thanks,

see below, RNA pol unwinds DNA itself
« Last Edit: October 25, 2010, 08:08:05 pm by Russ »
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TrueLight

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Re: 1 week to go...
« Reply #11 on: October 25, 2010, 07:50:02 pm »
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is it?

in a textbook it says "Once bound to the promoter site, RNA polymerase is able to unwind the DNA without the aid of helicases"

and rna pol by itself has the ability to cause distortions to the dsdna and cause one turn of the promoter
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Russ

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Re: 1 week to go...
« Reply #12 on: October 25, 2010, 08:05:08 pm »
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TrueLight is right, I am having genetics blanks and have forgotten the basics :P
« Last Edit: October 25, 2010, 08:07:24 pm by Russ »
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akira88

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Re: 1 week to go...
« Reply #13 on: October 25, 2010, 08:10:29 pm »
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Quote from: TrueLight on October 25, 2010, 07:50:02 pm
is it?

in a textbook it says "Once bound to the promoter site, RNA polymerase is able to unwind the DNA without the aid of helicases"

and rna pol by itself has the ability to cause distortions to the dsdna and cause one turn of the promoter

So it's helicase isn't involved in transcription? Lol so confused.
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TrueLight

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Re: 1 week to go...
« Reply #14 on: October 25, 2010, 08:11:10 pm »
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haha yeah my brains fried... textbooks always good
maybe helicases can help maybe transcription factors can help too in unwinding but possibly not essential ah i dunno
i would stick to Rohitpi's point 4.
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