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post #1 of 27 (permalink) Old Mar 24th, 2012, 01:40 AM Thread Starter
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Exclamation I need some serious help with Biology here!!!!

Anyone can help? Me and science absolutely hate each other. I might as well be reading Chinese.

Can anyone answer:

How many ATPs are produced from two molecules of glucose? Show formula

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post #2 of 27 (permalink) Old Mar 24th, 2012, 01:53 AM
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Re: I need some serious help with Biology here!!!!

72 ATPs

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post #3 of 27 (permalink) Old Mar 24th, 2012, 01:55 AM
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Re: I need some serious help with Biology here!!!!

I did my undergrad in biochemistry

Here's the whole thing, let me know if there's something you don't understand


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post #4 of 27 (permalink) Old Mar 24th, 2012, 02:48 AM Thread Starter
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Re: I need some serious help with Biology here!!!!

So two glucose would would produce 4 ATP? SO I would just show this by duplicating the top half of the equation?

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post #5 of 27 (permalink) Old Mar 24th, 2012, 02:52 AM Thread Starter
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Re: I need some serious help with Biology here!!!!

Can you describe glycolysis, pyruvate to Acetyl-CoA, and Krebs cycle and
the interactions between them

and

light reactions, the Calvin cycle, and the interactions
between them.

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post #6 of 27 (permalink) Old Mar 24th, 2012, 02:52 AM Thread Starter
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Re: I need some serious help with Biology here!!!!

pls

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post #7 of 27 (permalink) Old Mar 24th, 2012, 03:22 AM
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Re: I need some serious help with Biology here!!!!

Quote:
Originally Posted by JaJa Swan View Post
So two glucose would would produce 4 ATP? SO I would just show this by duplicating the top half of the equation?
NO. It's actually 72, not 68. My last post is wrong.

Okay, so in aerobic respiration (humans), one molecule of glucose yields 38 ATP molecules, eight produced during glycolysis, six from the link reaction and 24 from the Krebs cycle. But the net gain is 36 ATP, because two of the ATP molecules produced from glycolysis are used in the re-oxidation of the hydrogen carrier molecule NAD. So, 2 molecules of glucose would produce 72 ATPs. Make sense?

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post #8 of 27 (permalink) Old Mar 24th, 2012, 03:25 AM
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Re: I need some serious help with Biology here!!!!

Quote:
Originally Posted by JaJa Swan View Post
Can you describe glycolysis, pyruvate to Acetyl-CoA, and Krebs cycle and
the interactions between them

and

light reactions, the Calvin cycle, and the interactions
between them.
You can find all those cycles in books. I would need 4 hours to write down all the reactions And what kind of professor do you have? Those cycles are really hard to memorize. You should be learning like 1 or 2, not 6

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post #9 of 27 (permalink) Old Mar 24th, 2012, 05:00 AM
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Re: I need some serious help with Biology here!!!!

Yes, all of these cycles & reactions are easily available in books. Which reference books do you use to study biochemistry?
You just have to get your mind around the fact that you HAVE to memorize these. We had to memorize all the cycles, with chemical formulae and the names of each enzyme carrying out the reaction. There's no two ways around it. At least when I graduated.

I always turned to 'Principles in Biochemistry' by Lehninger. It's probably the best book for beginners in this subject.

Also, we had a book called 'Biochemistry' written by an Indian author called U Satyanarayana. It was the most concise and easy to understand. especially for those who study for exams at the last minute.

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Last edited by Ashi; Mar 24th, 2012 at 05:32 AM.
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post #10 of 27 (permalink) Old Mar 24th, 2012, 05:21 AM
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Re: I need some serious help with Biology here!!!!

And, god forbid you have to study the chemical formulae, please study and practice way in advance. You'll be in big trouble otherwise. I remember one exam where I screwed up all the formulae of the different fatty acids. Even after practicing. So yeah.
Initially I found it difficult as well, but then I loved Biochemistry as a subject later.

“ For when the One Great Scorer comes to write against your name, He marks – not that you won or lost – But how you played the Game.” ~~~ Grantland Rice
''O eco-friendly, Nature ke rakshak, Main bhi hoon nature!. Rivaazon se, Samaajhon se, kyon, Tu kaate mujhe, Kyun baante mujhse iss tarah. Kyun sach ka sabak sikhaaye, Jab sach sunn bhi na paaye. Sach koi bole toh tu, niyam kanoon bataaye. Tera darr, tera pyaar, teri waah, tu hi rakh!!! ''~~~ Irshad Kamil
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post #11 of 27 (permalink) Old Mar 24th, 2012, 06:27 AM
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Re: I need some serious help with Biology here!!!!

Quote:
Originally Posted by Ashi View Post
And, god forbid you have to study the chemical formulae, please study and practice way in advance. You'll be in big trouble otherwise. I remember one exam where I screwed up all the formulae of the different fatty acids. Even after practicing. So yeah.
Initially I found it difficult as well, but then I loved Biochemistry as a subject later.
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post #12 of 27 (permalink) Old Mar 24th, 2012, 07:19 AM
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Re: I need some serious help with Biology here!!!!

Quote:
Originally Posted by Ashi View Post
Yes, all of these cycles & reactions are easily available in books. Which reference books do you use to study biochemistry?
You just have to get your mind around the fact that you HAVE to memorize these. We had to memorize all the cycles, with chemical formulae and the names of each enzyme carrying out the reaction. There's no two ways around it. At least when I graduated.

I always turned to 'Principles in Biochemistry' by Lehninger. It's probably the best book for beginners in this subject.

Also, we had a book called 'Biochemistry' written by an Indian author called U Satyanarayana. It was the most concise and easy to understand. especially for those who study for exams at the last minute.
I absolutely abhor Lehninger. Plus, I'm not sure the thread-starter is doing an undergraduate degree in biochemistry (are you?) - so perhaps something much simpler would suffice. A simple Google search would help.

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post #13 of 27 (permalink) Old Mar 24th, 2012, 07:58 AM
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Re: I need some serious help with Biology here!!!!

I did my bachelors & masters in Biochemistry with papers in Genetics, Immunology, Biotechnology & Biostatistics.
Now, I don't really understand what does undergrad mean in the US? How old is this poster? I learnt most of what he's asking about while studying for my graduate degree.
Although, the Citric acid cycle & calvin cycle is also studied in school & junior college here. (10th, 11th & 12th grade in India).

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post #14 of 27 (permalink) Old Mar 24th, 2012, 08:01 AM
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Re: I need some serious help with Biology here!!!!

Quote:
Originally Posted by InsideOut. View Post
I absolutely abhor Lehninger. Plus, I'm not sure the thread-starter is doing an undergraduate degree in biochemistry (are you?) - so perhaps something much simpler would suffice. A simple Google search would help.
That's why me & my class mates used the concise Indian counterpart by U. Satyanarayana for our exams.

If you really want to pursue studies in Biochemistry, the Lehninger is a good place to start.

“ For when the One Great Scorer comes to write against your name, He marks – not that you won or lost – But how you played the Game.” ~~~ Grantland Rice
''O eco-friendly, Nature ke rakshak, Main bhi hoon nature!. Rivaazon se, Samaajhon se, kyon, Tu kaate mujhe, Kyun baante mujhse iss tarah. Kyun sach ka sabak sikhaaye, Jab sach sunn bhi na paaye. Sach koi bole toh tu, niyam kanoon bataaye. Tera darr, tera pyaar, teri waah, tu hi rakh!!! ''~~~ Irshad Kamil
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post #15 of 27 (permalink) Old Mar 24th, 2012, 08:58 AM
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Re: I need some serious help with Biology here!!!!

Quote:
Originally Posted by VeeJJ View Post
Anyone can help? Me and science absolutely hate each other. I might as well be reading Chinese.

Can anyone answer:

How many ATPs are produced from two molecules of glucose? Show formula
Don't hate Science or Math. Try to take it slowly...well check this out:

http://highered.mcgraw-hill.com/site...sis_works.html

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