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Author Topic: Biolgy paper 1 help!  (Read 29175 times)

Offline thukon

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Re: Biolgy paper 1 help!
« Reply #120 on: June 06, 2009, 11:08:44 am »
Liver and capillary??? IDK!!!
What did you guys put for the questions about the termites in the damp areas?
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Offline kam

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Re: Biolgy paper 1 help!
« Reply #121 on: June 06, 2009, 11:09:41 am »
Quote from: thukon on June 06, 2009, 11:08:44 am
Liver and capillary??? IDK!!!
What did you guys put for the questions about the termites in the damp areas?

what was the qu again?
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Offline Pythagoras

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Re: Biolgy paper 1 help!
« Reply #122 on: June 06, 2009, 11:16:39 am »
About the corn question, I dont know why it isn't D... It said that purple mated with yellow, and for it to be yellow it must be pp! And because some of the "offspring" is also yellow, the purple must be heterozygous. So I think the answer is Pp X pp, answer D.
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Offline kam

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Re: Biolgy paper 1 help!
« Reply #123 on: June 06, 2009, 11:18:42 am »
Quote from: Pythagoras on June 06, 2009, 11:16:39 am
About the corn question, I dont know why it isn't D... It said that purple mated with yellow, and for it to be yellow it must be pp! And because some of the "offspring" is also yellow, the purple must be heterozygous. So I think the answer is Pp X pp, answer D.

no cuz the ratio was 3:1
but the Pp and pp produced mostly yellow
but the corn was mostly purple and some yellow
so i think it was C
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Offline Pythagoras

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Re: Biolgy paper 1 help!
« Reply #124 on: June 06, 2009, 11:36:44 am »
Quote from: kam on June 06, 2009, 11:18:42 am
Quote from: Pythagoras on June 06, 2009, 11:16:39 am
About the corn question, I dont know why it isn't D... It said that purple mated with yellow, and for it to be yellow it must be pp! And because some of the "offspring" is also yellow, the purple must be heterozygous. So I think the answer is Pp X pp, answer D.

no cuz the ratio was 3:1
but the Pp and pp produced mostly yellow
but the corn was mostly purple and some yellow
so i think it was C

Yeah youre right. Thanks!  :)
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Offline thukon

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Re: Biolgy paper 1 help!
« Reply #125 on: June 06, 2009, 11:37:23 am »
Quote from: kam on June 06, 2009, 11:18:42 am
Quote from: Pythagoras on June 06, 2009, 11:16:39 am
About the corn question, I dont know why it isn't D... It said that purple mated with yellow, and for it to be yellow it must be pp! And because some of the "offspring" is also yellow, the purple must be heterozygous. So I think the answer is Pp X pp, answer D.

no cuz the ratio was 3:1
but the Pp and pp produced mostly yellow
but the corn was mostly purple and some yellow
so i think it was C
What do you mean by "but the Pp and pp produced mostly yellow"? Pp and pp will produce half yellow and half purple.
And the question didnt say anything about purple mating with yellow. It just said purple is dominant over yellow.
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Offline abcdef

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Re: Biolgy paper 1 help!
« Reply #126 on: June 06, 2009, 11:40:31 am »
Quote from: kam on June 06, 2009, 11:18:42 am
Quote from: Pythagoras on June 06, 2009, 11:16:39 am
About the corn question, I dont know why it isn't D... It said that purple mated with yellow, and for it to be yellow it must be pp! And because some of the "offspring" is also yellow, the purple must be heterozygous. So I think the answer is Pp X pp, answer D.

no cuz the ratio was 3:1
but the Pp and pp produced mostly yellow
but the corn was mostly purple and some yellow
so i think it was C

the answer C ? what is C ? Pp x Pp ?
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Offline IG DUDE

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Re: Biolgy paper 1 help!
« Reply #127 on: June 06, 2009, 11:42:36 am »
Quote from: hdbkiwi on June 06, 2009, 09:45:48 am
I liked the bio paper :) Hey for the genes thing
Meiosis was identical
mitosis was non-identical (nucleus now has haploid number of chromosomes)
right?
the oposite way round
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Offline shafiq_92libra

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Re: Biolgy paper 1 help!
« Reply #128 on: June 06, 2009, 11:45:59 am »
it was Pp x Pp
im sure of it a 3:1 ratio
it dint say yellow mated wid purple
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Offline shafiq_92libra

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Re: Biolgy paper 1 help!
« Reply #129 on: June 06, 2009, 11:47:03 am »
o2 in blood?? 0_0
wat was da question?
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Offline abcdef

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Re: Biolgy paper 1 help!
« Reply #130 on: June 06, 2009, 11:49:52 am »
Quote from: guru007 on June 06, 2009, 11:04:31 am
Quote from: nid404 on June 06, 2009, 05:14:27 am
it was D dude.

cause when sewage is added bacteria feed on the organic matter,using a lot of dissolved oxygen. When this happens fishes have less oxygen to thrive on(they die). When they die it depletes oxygen levels more....so bacteria which do not require oxygen(anaerobically respiring bacteria)will increase cuz they can survive without oxygen


U're totally rite nid!!

It's undoubtedly D

as the procedure does not start from decrease in Oxygen!!!

What is D ? it starts with 4 ?
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Offline Kim

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Re: Biolgy paper 1 help!
« Reply #131 on: June 06, 2009, 11:50:50 am »
Quote from: abcdef on June 06, 2009, 11:49:52 am
Quote from: guru007 on June 06, 2009, 11:04:31 am
Quote from: nid404 on June 06, 2009, 05:14:27 am
it was D dude.

cause when sewage is added bacteria feed on the organic matter,using a lot of dissolved oxygen. When this happens fishes have less oxygen to thrive on(they die). When they die it depletes oxygen levels more....so bacteria which do not require oxygen(anaerobically respiring bacteria)will increase cuz they can survive without oxygen


U're totally rite nid!!

It's undoubtedly D

as the procedure does not start from decrease in Oxygen!!!

What is D ? it starts with 4 ?
yup it started wid 4
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Offline Kim

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Re: Biolgy paper 1 help!
« Reply #132 on: June 06, 2009, 11:54:05 am »
Quote from: thukon on June 06, 2009, 11:04:13 am
WAAAIIIITTT!!!! WHAT'S THE O2 IN BLOOD QUESTION??? ???
wat question is dat?
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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 goin4dakill

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Re: Biolgy paper 1 help!
« Reply #133 on: June 06, 2009, 11:57:53 am »
Quote from: kim on June 06, 2009, 11:54:05 am
Quote from: thukon on June 06, 2009, 11:04:13 am
WAAAIIIITTT!!!! WHAT'S THE O2 IN BLOOD QUESTION??? ???
wat question is dat?


Kim check ur pm
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Offline Kim

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Re: Biolgy paper 1 help!
« Reply #134 on: June 06, 2009, 12:04:17 pm »
Quote from: goin4dakill on June 06, 2009, 11:57:53 am
Quote from: kim on June 06, 2009, 11:54:05 am
Quote from: thukon on June 06, 2009, 11:04:13 am
WAAAIIIITTT!!!! WHAT'S THE O2 IN BLOOD QUESTION??? ???
wat question is dat?


Kim check ur pm
there is nuthin in their from u!!!!!!
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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.
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