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Surroundings

surroundings

(Science: chemistry) Everything in the universe surrounding a thermodynamic system.


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How to measure cell pearmability/uptake in yeast?

... not mentioning them lol. I was just wondering if there is a way to measure if the yeast has become more permeable and so take up more from their surroundings or if they have just become more permeable to a specific chemical. My ideas are to add a dye to the media the yeast are growing on and ...

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by Sheenspike
Mon Feb 09, 2009 4:27 pm
 
Forum: Molecular Biology
Topic: How to measure cell pearmability/uptake in yeast?
Replies: 1
Views: 306

Glucose equilibrium within a cell

... moleculse constantly diffuse into the cell along the concentration gradient, but something happens to counteract that so that the cell and the surroundings are never isotonic. I'm pretty sure it's either because of the "rapid of glucose metabolism within the cell", or the "continuous ...

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by Splendiferous
Mon Dec 29, 2008 4:46 pm
 
Forum: Cell Biology
Topic: Glucose equilibrium within a cell
Replies: 2
Views: 851

Re: Bible vs Darwin

... in a God, but yet you can't prove it. Wars are fought due to religion, and what do they have to prove for it? I am naturalistic, meaning I use my surroundings to come up with logical ideas and conclusions ...sorry "God". wars have been faught to proove a personal thought...to supply ...

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by gfrabizi
Wed Dec 03, 2008 9:17 pm
 
Forum: Evolution
Topic: Bible vs Darwin
Replies: 293
Views: 30209

Re: Problems with Evolution !

... a lot of the stuff I studied I can explain by randomness, but how do explain organisms such as insects that can almost flawlessy mimmick their surroundings (such as a leaf or a stick), seems a little hard to believe that it is completely random, BUT, in regards to the theory of evolution it ...

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by Darwin420
Mon Nov 24, 2008 9:10 pm
 
Forum: Evolution
Topic: Problems with Evolution !
Replies: 33
Views: 5447

Re: hypo and hyper osmotically??

... is plant, it will become turgid (which is why plants stand up straight). If a cell is in a hypertonic solution, the cell has less solutes than its surroundings, so water inside the cell will flow out of the cell and into the environment. Animals cells shrivel and plants go flaccid. If you wanted ...

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by Chumbawamba
Fri Nov 21, 2008 4:14 am
 
Forum: Ecology
Topic: hypo and hyper osmotically??
Replies: 2
Views: 1241
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