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Retired NBME 16 Answers

nbme16/Block 1/Question#49 (reveal difficulty score)
During an experiment, the concentration of ...
Glyceraldehyde-3-phosphate dehydrogenase ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
tags: biochem

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submitted by โˆ—bingcentipede(359)
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First, notice that there's a drop in concentration after glyceraldehdye 3-phosphate to 1,3-bisphosphoglycerate. Thus, the conversion is impaired here.

Next, it's somehow remembering which freaking enzyme is involved. Which is glyceraldehyde-3-phosphate dehydrogenase in the glycolytic pathway. This is one where if you know the substrate name you know the enzyme name.

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