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Chains

Chain

1. In chemistry, a series of atoms held together by one or more covalent bonds.

2. In bacteriology, a linear arrangement of living cells that have divided in one plane and remain attached to each other.

Origin: L. Catena


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Fossil rabbits in the Precambrian!

... there it happened to need no improvements, so natural selection took a vacation." I don't understand why there couldn't be two simultaneous chains of evolution, independent of each other, in different parts of the world, with one happening to converge faster to what we know of as a rabbit, ...

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by Steiner
Sun Dec 22, 2013 8:25 pm
 
Forum: Evolution
Topic: Fossil rabbits in the Precambrian!
Replies: 0
Views: 1992

Re:

"GRAM NEGATIVE- clustered in chains, splotches, and red/pink. Blue Vegetative cells." - Rods or Cocci??? "THIOGLYCOLLATE MEDIUM- Anaerobic" -Which anaerobe? (http://en.wikipedia.org/wiki/Thioglycollate_broth) "SEMI ...

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by microbiologyhelp
Sun Dec 01, 2013 11:36 am
 
Forum: Microbiology
Topic: URGENT HELP IDENTIFYING UNKNOWN BACTERIA!!!
Replies: 7
Views: 6188

URGENT HELP IDENTIFYING UNKNOWN BACTERIA!!!

"GRAM NEGATIVE- clustered in chains, splotches, and red/pink. Blue Vegetative cells." - Rods or Cocci??? "THIOGLYCOLLATE MEDIUM- Anaerobic" -Which anaerobe? (http://en.wikipedia.org/wiki/Thioglycollate_broth) "SEMI ...

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by Cat
Fri Nov 29, 2013 5:17 pm
 
Forum: Microbiology
Topic: URGENT HELP IDENTIFYING UNKNOWN BACTERIA!!!
Replies: 7
Views: 6188

URGENT HELP IDENTIFYING UNKNOWN BACTERIA!!!

... to help identify this unknow organism, would be very appreciative if anybody can help me identify it. thanks so much GRAM NEGATIVE- clustered in chains, splotches, and red/pink. Blue Vegetative cells. SPORE REACTION (-) ACID FAST STAINING (-) NUTRIENT BROTH CULTURE- Quite turbid, slightly cloudy, ...

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by microbiologyhelp
Wed Nov 20, 2013 6:09 pm
 
Forum: Microbiology
Topic: URGENT HELP IDENTIFYING UNKNOWN BACTERIA!!!
Replies: 7
Views: 6188

Re: Is complexity inevitable?

... insects, and if the plant was one of only a few flowering at a specific time it causes a large imbalance. In other words, the more separate food chains there are in an environment the better. If one malfunctions the easier it is to replace by small adaptations in related species. How does ecosystem ...

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by wildfunguy
Thu Sep 26, 2013 6:12 pm
 
Forum: Evolution
Topic: Is complexity inevitable?
Replies: 16
Views: 10690
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