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h99h20baby
Joined: 01 Jul 2007
Posts: 40
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 Posted: Mon Jul 30, 2007 9:17 pm Post subject: Question 40 |
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Can't the transamination products go into the kreb's cycle??
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admin
Site Admin
Joined: 08 Dec 2003
Posts: 2176
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| Posted: Mon Jul 30, 2007 10:10 pm Post subject: |
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Yes, it is indeed possible that transamination products can but the question is asking "What is likely to occur . . . ?" How often are proteins broken down to acetyl CoA to enter the Kreb's cycle? Very, very rare. Of course it happens in times of starvation but that is extraordinarily rare in our society (superkeeners in biochem may recognize other types of transamination rxns which may occur during Kreb's but they are unlike the one described in the passage).
However, what is the likelihood of a catalyst being regenerated at the end of a reaction? 100% |
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admin
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| Posted: Thu Jul 30, 2009 3:40 pm Post subject: |
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