Re: I do know that certain reptiles have high sensitivity to Vit. A in certain forms.

Space/Science » in reply to I do know that certain reptiles have high sensitivity to Vit. A in certain forms.

RobVG — 2/27/2002 4:54:11 PM (archived)

I thought the source for Vit D in reptiles was sunlight (don't ask me how). Isn't the reference about lack of Vit D due to the blockage of sunlight?

The whole thread (21 posts)

Vitamin D bonked the Dinasaurs - sunblok - 2/26/2002 6:36:08 PM
- NEWS FLASH: Conjugated Double Bonds and Cholesterol Degradation, Puts A Damper On Space Exploration - sunblok - 2/27/2002 7:28:19 PM
- K-T rats are done in by novel rodenticide QUINTOX-SOREXA. - sunblok - 2/27/2002 5:03:41 PM
  - Sorry....can't use HTML code in Subject field. - sunblok - 2/27/2002 6:43:35 PM
  - link for QUINTOX that I missed.a href="http://www.google.ca/search?q=Quintox+Bell+Labs&hl=en&meta="http://www.google.ca/search?q=Quintox+Bell+Labs&hl=en&meta=/a Hypercalcaemic poison Vitamin D-3 from… (n/t) - sunblok - 2/27/2002 6:41:12 PM
- I do know that certain reptiles have high sensitivity to Vit. A in certain forms. - ebnelson - 2/27/2002 4:02:57 PM
  - Beta-Carotene to Vitamin A - sunblok - 2/27/2002 7:02:23 PM
    - Re: Beta-Carotene to Vitamin A - Neophyte - 2/27/2002 8:43:21 PM
      - UV penetration of fresh water 3-4 meters most likely less for Ocean salt water. Whales survive TK time period but Dinasaurs are bowled out. - sunblok - 2/27/2002 2:16:11 PM
        
        There you go. :-) (n/t) - Neophyte - 2/27/2002 5:33:39 PM
        
        Addendum:Just searched CCNet under Ultra Violet and Gamma Rays. - sunblok - 2/27/2002 2:36:09 PM
  - Re: I do know that certain reptiles have high sensitivity to Vit. A in certain forms. - RobVG - 2/27/2002 4:54:11 PM
    - Re: B12 . . . - D. Spires - 2/27/2002 5:34:04 PM
      - Re: B12 . . . - RobVG - 2/27/2002 6:03:48 PM
- whales - p - 2/27/2002 1:23:50 PM
  - Re: A whale of a flash . . . - D. Spires - 2/27/2002 3:03:35 PM
    - Good Ref's D Spires, but it is a question of Dinasaur biochemistry and UV-climatic changes. eom - sunblok - 2/27/2002 4:28:14 PM
      - Re: The question is much larger than just that, encompassing many, many fields -- but we'll keep picking at it . . . (n/t) (n/t) - D. Spires - 2/28/2002 1:06:32 PM
  - Buffy the Bug Slayer - McFly - 2/27/2002 2:18:40 PM
  - Well, we threid, but the darn Greenpeace weenies decided to save the pollutin' monsters... - ebnelson - 2/27/2002 10:57:58 AM
    - Re: Save the whales campaign . . . - D. Spires - 2/27/2002 11:19:21 AM

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