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Harpoon

Harpoon

a spear or javelin used to strike and kill large fish, as whales; a harping iron. It consists of a long shank, with a broad, fiat, triangular head, sharpened at both edges, and is thrown by hand, or discharged from a gun. Harpoon fork, a kind of hayfork, consisting of bar with hinged barbs at one end a loop for a rope at the other end, used for lifting hay from the load by horse power. Harpoon gun, a gun used in the whale fishery for shooting the harpoon into a whale.

Origin: f. Harpon, LL. Harpo, perh. Of Ger. Origin, fr. The harp; cf. F. Harper to take and grasp strongly, harpe a dogs claw, harpin boathook (the sense of hook coming from the shape of the harp); but cf. Also gr. The kite, sickle, and E. Harpy. Cf. Harp.


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enzyme and substrate

... their way about everywhere and anywhere just so that they'll stick somehow somewhere? What kind of a viscosity is it in the cleft, do they get harpoon while they spend their time reorientating themselves inside the enzyme? Is the enzyme so large?

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by paperclip
Mon Oct 03, 2005 3:06 pm
 
Forum: Cell Biology
Topic: enzyme and substrate
Replies: 13
Views: 2901

Anisotropy - Help!

... as fumarase, actually approach this limit. My questions are: 1) How do enzymes manage to grab substrates from the solution they are in. Is there a harpoon mechanism present? 2)How can fumarase have such a high enzyme efficiency, it seems that steric factors are neglected or is an exageration that ...

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by paperclip
Sun Oct 02, 2005 7:49 am
 
Forum: General Discussion
Topic: Anisotropy - Help!
Replies: 0
Views: 595

New Life

... to these regions have learnt that these fish are very easy to catch. They just look at the mud, and wherever they see bubles rising they stick a harpoon and catch it. Reference: any high-school zoology book

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by MrMistery
Wed Sep 28, 2005 6:19 pm
 
Forum: Evolution
Topic: New Life
Replies: 11
Views: 2549

are jellyfish animals or plants?

... Thats a very anthropromorphic term. Maybe the jellyfish think humans are inferior since we don't have nifty microscopic neurotoxin tipped harpoon launchers. Maybe they think we're inferior cause we don't have pretty iridescent colors on our skins and we don't have our own natural light ...

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by Jelanen
Fri Jul 01, 2005 6:07 pm
 
Forum: General Discussion
Topic: are jellyfish animals or plants?
Replies: 5
Views: 1389


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