Dictionary » C » Crust



1. A hard outer layer or covering; cutaneous crusts are often formed by dried serum or pus on the surface of a ruptured blister or pustule.

2. A scab.

Synonym: crusta.

Origin: L. Crusta

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Re: life

... approach breaks a system into it's smaller constituent elements, generally looking at components in isolation. IE: a pizza is pepperoni, tomatoes, crust, sauce, cheese. Systems biology looks at the same components in relation to each other and the role they play in emergent phenomena. My textbook ...

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by sansara
Thu Sep 15, 2011 6:18 pm
Forum: General Discussion
Topic: life
Replies: 2
Views: 4408

Re: Theories - Origin of Life

... theory for the Origin of Life on the earth. Life has originated from primordial membranes that have formed from hydrocarbon chains in the earth's crust about 3.7 billion years ago. These membranes developed electrical potentials resulting in the evolution of consciousness. The erosion of the hydrocarbons ...

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by lifefrommembranes
Thu Dec 16, 2010 6:40 pm
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 562
Views: 929079

Question about viruses (particularly hiv)

The point of washing is to remove dilute dirt. Normal wash will break most of the crust and expose most of the virion. Soap and large volumes of water will dilute a lot. so no problem. to the upper post 1. your first link does not work. And I wish the second did ...

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by canalon
Thu Nov 18, 2010 6:32 pm
Forum: Microbiology
Topic: Question about viruses (particularly hiv)
Replies: 25
Views: 52212

Take Home test Help

... patterns in the ocean surface waves can potentially carry water thousands of miles across the ocean the mantle is situated between the earths crust and the outer core an important evolutionary stage was the ultimate accumulation of oxygen from the photosynthesizerss about 2.5 billion years ...

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by aldy147
Mon Nov 15, 2010 3:15 am
Forum: General Discussion
Topic: Take Home test Help
Replies: 1
Views: 4700


... . Basically, the gist of it is this: Hydrothermal flow basically has water being taken into and through the crust, where it is heated and any compounds in it may interact with the crust as it flows there. It then comes out at hydrothermal vent systems. Many ...

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by mamoru
Mon Feb 15, 2010 12:09 pm
Forum: Evolution
Topic: Is abiogenisis natuarally possible?
Replies: 10
Views: 11095
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