Dictionary » P » Penetration

Penetration

penetration

The act of piercing or entering deeply.

Origin: L. Penetratio


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Membrane penetration rates of methanol and ethanol

Does methanol penetrate a plant cell membrane faster than ethanol? Why or why not? I know smaller molecules--which would be methanol in this case--usually penetrate the membrane more easily than larger molecules, but there's also lipid solubility to account for in this case. Also, why does water pen...

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by aboynamedsooie
Sat Oct 04, 2008 2:13 am
 
Forum: Human Biology
Topic: Membrane penetration rates of methanol and ethanol
Replies: 1
Views: 783

Lysogenic cycle stages

Lysogenic ? I think they are : absorption, penetration, Clefage (The phase where the virus join up with the bacteria), and the last is the production of the virus using the replication phase of the bacteria.

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by F4T32008
Tue May 20, 2008 2:47 pm
 
Forum: Microbiology
Topic: Lysogenic cycle stages
Replies: 2
Views: 1849

Allergy questions

... The antigen uptake is an endocytotic process involving intracellular lysosomes. Some antigens can move through intercellular gaps; however, the penetration of antigens through the mucosal barrier is not usually associated with clinical symptoms. Under normal circumstances, food antigen exposure ...

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by aharown07
Fri Nov 30, 2007 10:57 pm
 
Forum: Human Biology
Topic: Allergy questions
Replies: 18
Views: 2367

The Fiber Disease

... to produce some desired trait, yet carries ancillary genetic damage undetected by the current tests.Cloning allows that genetic error to gain wide penetration into the human population before it presents itself. Anyone recall the Thalidomide catastrophe? :shock: - M. R. http://www.whatreallyhappened.com/archives/cat_sciencehealth.html ...

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by Sabrina
Thu Jan 18, 2007 1:30 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748824

The Fiber Disease

... affluent households looking to cut back on the fancy bottled water, more cost-effective methods may need to be employed in order to achieve wider penetration of point-of-use devices. This will be especially true in the larger, global market. There are many areas of the world where the need for ...

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by RANDY
Thu Jan 18, 2007 3:42 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748824
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