Author Topic: Edexcel BIOLOGY Doubts!!!!  (Read 132354 times)

Offline guMnam

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #570 on: December 26, 2011, 06:47:45 am »
knowledge of null hypothesis is only required in unit 6 .

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Offline -Cornea

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #571 on: December 26, 2011, 03:00:11 pm »
you mean it's not required for unit 3 iam not doing al's iam only doing as's @amelia thanks <3
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Offline Malak

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #572 on: December 26, 2011, 06:44:09 pm »
I am confused with monohybrid cross.

Can anyone explain, how do we do it. :S
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Offline Romeesa-Chan

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #573 on: December 26, 2011, 06:52:51 pm »
I am confused with monohybrid cross.

Can anyone explain, how do we do it. :S

[yt=425,350]DyQ6FoIgr0Y[/yt]

If the video isn't good then lemme know, I'll try explaining it. :)
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Offline 8T

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #574 on: December 27, 2011, 11:09:24 am »
Hello everyone may I please have notes on BIOLOGY AS UNIT 3 ??
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Offline jackfos92

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #576 on: December 29, 2011, 07:49:50 am »
what is difficulty of using quadrant while doing random sampling?

Offline -Cornea

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #577 on: December 29, 2011, 11:00:37 am »
in the Daphina experiment in the book it's mentioned don't use a cover slip to provide sufficient oxygen for the Daphina while my teacher we should use it to prevent evaporation of the liquid should we or shouldn't we ?
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Offline NotAbod

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #578 on: December 29, 2011, 11:12:15 am »
in the Daphina experiment in the book it's mentioned don't use a cover slip to provide sufficient oxygen for the Daphina while my teacher we should use it to prevent evaporation of the liquid should we or shouldn't we ?

Lack of oxygen increase the heart rate.
and use a slide with a cavity.
« Last Edit: December 29, 2011, 11:46:47 am by Abod »

Offline Romeesa-Chan

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #579 on: January 03, 2012, 03:00:15 pm »
I hope someone can help SZM here, please. :)

Assalamu alaikum sister Romeesa,

Do you understand the concept as under the syllabus has asked us to-

EXPLAIN THE NATURE OF THE GENETIC CODE (TRIPLET CODE ONLY, NON-OVERLAPPING AND DEGENERATE)

DESCRIBE THE PRINCIPLES OF GENE THERAPY AND DISTINGUISH BETWEEN SOMATIC AND GERM LINE THERAPY???????

I dont understand these in any textbooks I use. Could you please explain me clearly in details what is genetic code and how to explain in nature and what are the principles of gene therapy and what is gene therapy, somatic , germ line therapy and how to distinguish them???/

Please help me sister. Waiting for your reply.


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Offline guMnam

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #580 on: January 04, 2012, 04:32:10 pm »
I hope someone can help SZM here, please. :)

i would be more than happy to help but have a exam coming up .. and this is really long stuff.

i cleared my doubts on this from the students book (ann fullick) its really nicely explained their .. try it if u still dont get it ill explain

i am sorry =\

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #581 on: January 04, 2012, 08:42:49 pm »
Good luck GM ;)
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Offline NotAbod

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #582 on: January 05, 2012, 01:42:46 pm »
I hope someone can help SZM here, please. :)

Sorry that's too much to explain, and I have my exams too, the time is short....
Let her download the ann fullick active book, we have it here, or study from it if she has it.
These topics are covered there, and if she gets stuck, Google and SF are her friends.

Offline Romeesa-Chan

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #583 on: January 05, 2012, 01:55:39 pm »
Sorry that's too much to explain, and I have my exams too, the time is short....
Let her download the ann fullick active book, we have it here, or study from it if she has it.
These topics are covered there, and if she gets stuck, Google and SF are her friends.
Well, her problem is mainly with the book. She says it doesn't explain well. :-\
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Offline NotAbod

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Re: Edexcel BIOLOGY Doubts!!!!
« Reply #584 on: January 05, 2012, 02:51:26 pm »
This is the best I could do for now (attached)
+ not much information needed about them

and she must know what gene therapy is and how it's used to treat Cystic fibrosis and other genetic diseases.