Home Forum Dictionary Articles Tutorials Books Directory Share your work


Edit page | Page history | Printable version

Dictionary » A » Arrowhead

Arrowhead

Arrowhead

1. (Science: botany) An aquatic plant of the genus Sagittaria, especially. S. Sagittifolia, named from the shape of the leaves.

2. (Science: cell biology) fanciful description given to the pattern of myosin molecules attached to a filament of f actin. Easier to see if tannic acid is added to the fixative. The arrowheads indicate the polarity of the filament, the barbed (attachment) end is the site of major subunit addition.


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Science on evolution

... 8. How could sexual reproduction evolve? (See page 18.) How could immune systems evolve? (See page 18.) 9. If it takes intelligence to make an arrowhead, why doesn’t it take vastly more intelligence to create a human? Do you really believe that hydrogen will turn into people if you wait long ...

See entire post
by Linn
Thu Feb 02, 2006 3:24 pm
 
Forum: Evolution
Topic: Science on evolution
Replies: 30
Views: 5208

Name game

... Well, see the example: #1 post: Hippocampus erectu s = Lined seahorse; northern seahorse (U.S.A.) #2 post: S agittaria latifoli a = Broadleaf Arrowhead, Wapato #3 post: A spergillus fumigatu s = etc. Don't forget to write the name in proper way as Carollus Linnaeus told ;) If you have figure ...

See entire post
by Dr.Stein
Mon Jan 30, 2006 10:30 am
 
Forum: General Discussion
Topic: Name game
Replies: 168
Views: 67498


This page was last modified 21:16, 3 October 2005. This page has been accessed 786 times. 
What links here | Related changes | Permanent link