This keyhole does not lock or unlock any door. This keyhole is a living animal from the sea. Megathura crenulate is the scientific name for the Giant Keyhole limpet.
library.thinkquest.org/J002608/Keyhole.html library.thinkquest.org/J002608/Keyhole.html
Keyhole limpet hemocyanin - Wikipedia, the free encyclopedia
Keyhole limpet hemocyanin (KLH) is a large, multisubunit, oxygen-carrying, metalloprotein found in the hemolymph of the giant keyhole limpet Megathura crenulata that lives off the coast of Californ...
en.wikipedia.org/wiki/Keyhole_limpet_hemocyanin
According to my Audubon field guide, the Giant Keyhole Limpet "feeds on algae and colonial tunicates. Native Americans used the conveniently perforated shell on wampum belts."
orangecountynaturalist.blogspot.com/2007/06/giant-keyho... orangecountynaturalist.blogspot.com/2007/06/giant-keyhole-limpet.html
084: Giant Keyhole Limpet ... The giant keyhole limpet is a "primitive" snail closely related to the abalone. It is not one of the smaller "true" limpets commonly found on intertidal rocks. ... Since it was a somewhat unusual discovery, I spent a large part of one dive with the juvenile giant keyhole limpet to observe it.
www.starthrower.org/products/DDDB/DDDB_050-099/DDDB_084... www.starthrower.org/products/DDDB/DDDB_050-099/DDDB_084%20giant%20keyhole%20limpet.htm
Discussion This is the largest known keyhole limpet; its opening is also distinctively large. The animal has a black or grayish mantle, which is larger than the shell, covering it entirely ... Giant Keyhole Limpet Megathura crenulata...
www.enature.com/fieldguides/detail.asp?recNum=SS0048
Giant Keyhole Limpet Photos, Megathura crenulata Photos, Giant Keyhole Limpet Pictures and Photographs by Professional Natural History Photographer Phillip Colla / Oceanlight.com ... Giant keyhole limpet, San Diego. Giant keyhole limpet, Megathura crenulata Photo. Image ID: 05405  ; Species: Giant keyhole limpet,
www.oceanlight.com/lightbox.php?sp=megathura_crenulata
Make DSC_Maker Model DSC ... Aperture Value f/4.4 Color Space sRGB ... Exposure Bias Value 0 EV Exposure Program Manual...
forum.reefcheck.org/gallery/main.php?g2_itemId=20092
© 2002 Paul Foretic ... Mottled Giant Keyhole Limpet; © Bob Gladden...
www.divebums.com/FishID/Pages/giant_keyhole_limpet.html www.divebums.com/FishID/Pages/giant_keyhole_limpet.html
Cross-reactivity between the hemocyanins of the horseshoe crab and the giant keyhole limpet by quantitative precipitation, and by immunogenicity tests both in vitro and in vivo, were found to be negative.
www.jimmunol.org/cgi/content/abstract/95/1/141
CiteULike stevanspringer's CiteULike ... CiteULike is a free online bibliography manager. Register and you can start organising your references online. ... by: Albert Tyler...
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