I had to look it up....

Space/Science » in reply to even if a similar useful protein exists, chirality may make it useless.

I had to look it up....

ER — 5/23/2008 10:14:45 PM (archived)

but it's what I meant by left- and right-handedness; as in dextrose and leptose (sinistrose?). If the molecule is not the correct shape, the enzymes can't metabolize it, even if it has the correct chemical formula.

The whole thread (42 posts)

Well, Nick?..You're Mars theory has received it's most vital support evidence to date. - Jacob - 5/16/2008 1:48:51 PM
- Your inference that Mars harbors no pathogens is not supported - E.P. - 5/19/2008 6:05:23 PM
  - OK! - Jacob - 5/20/2008 7:24:56 PM
    - Maybe not zero odds, but very close to zero. - ER - 5/21/2008 2:26:18 PM
      - re: Maybe not zero odds, but very close to zero. - marsbug - 5/22/2008 12:32:55 PM
        
        Exactly. - ER - 5/22/2008 2:06:29 PM
        
        even if a similar useful protein exists, chirality may make it useless. (n/t) - alcaray - 5/23/2008 8:56:03 PM
        
        I had to look it up.... - ER - 5/23/2008 10:14:45 PM
        
        Guess I read your post too quickly. Sorry. (n/t) - alcaray - 5/23/2008 10:21:17 PM
      - Your inferences about possible pathogens from Mars are completely unsupported - E.P. - 5/21/2008 8:27:53 PM
        
        Your constant use of "unsupported" assertion as a debating tactic is useless. (n/t) - alcaray - 5/21/2008 9:51:09 PM
- Tharsis Bulge. - nick hoffman - 5/19/2008 6:34:30 AM
- Yet we still know very little - BRFelix - 5/17/2008 7:17:51 PM
  - "Mars has always been cold" - SDAI-Tech1 - 5/18/2008 6:38:04 PM
    - Gobbledegook and balderdash - nick hoffman - 5/19/2008 6:16:47 AM
      - ...and friction caused by tidal forces. (n/t) - alcaray - 5/19/2008 5:23:54 PM
        
        Mostly in the oceans... - Adam - 5/20/2008 11:01:39 AM
- re: Well, Nick?..You're Mars theory has received it's most vital support evidence to date. - bone yard - 5/16/2008 3:27:19 PM
  - Subsurface radar evidence is absent. - Jacob - 5/16/2008 9:22:13 PM
    - re: Subsurface radar evidence is absent. - bone yard - 5/16/2008 10:11:51 PM
      - That was then... - nick hoffman - 5/16/2008 11:30:33 PM
        
        Care to rephrase? - et - 5/17/2008 6:17:29 AM
        
        re: That was then... - bone yard - 5/16/2008 11:40:46 PM
        
        re: That was then... - Marcia - 5/17/2008 3:21:33 AM
        
        re: That was then... - bone yard - 5/17/2008 3:38:15 AM
  - Mars crust - Raoul - 5/16/2008 4:24:10 PM
    - re: Mars crust - Marcia - 5/16/2008 8:17:02 PM
    - re: Mars crust - bone yard - 5/16/2008 4:57:41 PM
      - Not "just" underneath the surface - nick hoffman - 5/16/2008 11:35:09 PM
        
        re: Not "just" underneath the surface - bone yard - 5/16/2008 11:42:47 PM
        
        re: Not "just" underneath the surface - Marcia (they named me well, thank you). - 5/17/2008 3:17:13 AM
        
        re: Not "just" underneath the surface - bone yard - 5/17/2008 3:45:26 AM
        
        Funding? - nick hoffman - 5/17/2008 8:50:40 AM
        
        re: Funding? - bone yard - 5/17/2008 2:31:47 PM
      - Another source - Raoul - 5/16/2008 6:01:31 PM
        
        re: Another source - bone yard - 5/16/2008 6:30:53 PM
        
        another angle - lance - 5/17/2008 3:25:20 PM
        
        re: another angle - bone yard - 5/17/2008 4:46:33 PM
        
        Actually education has very little to do with it - pb - 5/19/2008 8:24:06 AM
        
        I thought it was Bone HEAD, actually... 8-) - nick hoffman - 5/19/2008 11:56:33 AM
        
        re: another angle - bone yard - 5/17/2008 4:48:32 PM
        
        Troll, troll, troll... - Adam - 5/18/2008 8:22:40 PM

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