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C chain

C chain --> c-peptide

(Science: protein) c-peptide is a byproduct of normal insulin production by the beta cells in the pancreas. Normal values are 0.5 to 3.0 ng/ml. Normal levels indicate that the body is still producing its own insulin. Low levels indicate that the pancreas is producing little or no insulin. Elevations can be seen in cases of insulinomas and islet of langerhans tumours.


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Electron transport chain

Electrons are finally accepted by oxygen at the end of the electron transport chain. Is oxygen is accessible to the electrons in intermediate electron carriers? If so why electron is not accepted by oxygen at intermediate steps?

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by josem
Sun Jun 22, 2014 1:28 am
 
Forum: Cell Biology
Topic: Electron transport chain
Replies: 3
Views: 544

Newbie question about the first life

... which Strecker synthesis could have converted into serine using glycoaldehyde, hydrogen cyanide and water. Serine has a hydroxyl group in its side chain. There are lab models that show how monomers make polymers but no models showing how the genetic machinery could have developed. The first creatures ...

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by piscilactovegetarian
Tue Feb 25, 2014 10:21 am
 
Forum: Molecular Biology
Topic: Newbie question about the first life
Replies: 14
Views: 8624

Does other animals have faster nerve speeds?

i was thinking, though animals do not have a long chain of thought (ie, stimulus -> brain ->memory -> action); would they have faster nerves speeds or brain speeds, if they had faster brains with low capacity; and if fast enough (relativity) ...

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by 1832vin
Wed Feb 05, 2014 9:39 pm
 
Forum: General Discussion
Topic: Does other animals have faster nerve speeds?
Replies: 1
Views: 1291

Re:

... (2 per 1 Glc) and could be additional 200 from TCA (1 per 1 acetyl-CoA). The TCA or Krebs cycle only occurs if the ETC(electron transport chain) can occur and that is only with oxygen(and nothing keeping oxygen from binding such as cyanide). so the answer to your question would be 200 ...

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by caters
Mon Feb 03, 2014 4:37 am
 
Forum: Cell Biology
Topic: ATP produced by human cells in an anaerobic chamber. LOST!
Replies: 2
Views: 3798

A question regarding PCR

... is part of the chromosome, right? So there will be much more than 7 bp and it will be on both sides. Yes, the polymerase will amplify the chain until the conditions change (i.e. end of amplification step) or until it falls off (which may happen with very long amplicons, that's why you ...

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by JackBean
Sat Jan 18, 2014 2:36 pm
 
Forum: Molecular Biology
Topic: A question regarding PCR
Replies: 1
Views: 1284
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