Dictionary » P » Plug



1. Any piece of wood, metal, or other substance used to stop or fill a hole; a stopple.

2. A flat oblong cake of pressed tobacco.

3. A high, tapering silk hat.

4. A worthless horse.

5. A block of wood let into a wall, to afford a hold for nails. Fire plug, a street hydrant to which hose may be attached. Hawse plug, a tapering valve, which turns in a case like the plug of a faucet.

Origin: Akin to D. Plug, G. Pflock, Dan. Plok, plug, Sw. Plugg; cf. W. Ploc.

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Re: Measure of Cysteine concentration

... a molar extinction coefficient. Your path length is likely 1cm for a garden-variety spectrometer. Solve Beer's law for the concentration, then plug in your values for the extinction coefficient, the path length and the absorbance. Solve Beer's law for concentration and look at the units. Absorbance ...

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by jonmoulton
Thu Nov 15, 2012 4:23 pm
Forum: Molecular Biology
Topic: Measure of Cysteine concentration
Replies: 2
Views: 1547

How to estimate accurate age of earth

... crystals of zircon from the Jack Hills of Western Australia – are at least 4.404 billion years old http://www.ncbi.nlm.nih.gov/pubmed/11196637 Plug in some assumptions which are impossible to know and billions of years is arrived at. Creation yields a date of ~6,000 years since creation week/fall ...

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by jinx25
Tue Oct 30, 2012 3:03 pm
Forum: General Discussion
Topic: How to estimate accurate age of earth
Replies: 2
Views: 1456

What is/isn't autoclavable together?

... of reagents that can or cannot be autoclaved together? Hey iPhone/android/windows mobile/blackberry app developers, if you made an app that let me plug in a combination of reagents for making a solution/media and told me how to sterilize it, I would buy that app. Thanks!

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by radlinsky
Fri Jun 15, 2012 12:15 pm
Forum: General Discussion
Topic: What is/isn't autoclavable together?
Replies: 0
Views: 743

Help ID Pesky Fungi Growing in Water

... from the sheep. In my cellar (I live about 10 miles from the farm) I also have this stuff growing. It will get so thick and gelatinous it will plug the drain for the water. Dumping bleach or muriatic acid on it gets rid of the stuff in the cellar but it always comes back. I live on an island ...

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by BobMaine
Sat Sep 24, 2011 3:51 pm
Forum: Microbiology
Topic: Help ID Pesky Fungi Growing in Water
Replies: 3
Views: 3085

Rate of diffusion

formula: rate A/rate B=sq. rt. B MM/sq. rt. A MM want: MM unknown know: MM 16.04 g/mol CH4 step 1: let x= rate A, CH4= rate B step 2: plug in values and solve using formula step 3: ANS good luck.

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by Duece1
Wed Sep 07, 2011 11:18 am
Forum: Cell Biology
Topic: Rate of diffusion
Replies: 6
Views: 34785
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