Questions tagged [salt]

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Salt Bridge for Microbial Fuel Cell: Full or Partly Full?

I'm making a microbial fuel cell out of benthic mud and salt water in containers. My salt bridge will be made of agar and table salt solidified in PVC pipes. Does the salt bridge connecting the anode (...
-2
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1answer
312 views

Is sweat salty because we eat too much salt?

The Yanomamo Indians eat about 100 times less salt than we do. It has been argued that their salt intake is the natural salt intake for all humans. Obviously, if the salt intake is this low, then ...
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2answers
125 views

If life began at sea, why organisms are less salty than the sea?

We may take it for granted that a fish, a seaweed, or clams are not too salty to eat, although the sea around them is salty. I know about the existence of a mechanism which prevents their body from ...
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0answers
44 views

What is the protocol for extracting Protease Onion?

I am Investigating the protease concentration in certain fruits and vegetables. I am unable to find the protocols for the extraction from onions. I want to purify my protein using the ammonium ...
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1answer
738 views

Why sea water fish can't survive in Fresh water?

Why the sea water fish can't survive in fresh water? What really happens to the fish if it get into fresh water from sea water. What are the possible reason... Does it really depends osmotic ...
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2answers
5k views

Why do stomata close in salt water?

Why do the guard cells of the stomata close when they come in contact with salt water? I recognize it has something to do with osmosis and the fact that osmosis makes the water drain in some sort, ...
2
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1answer
782 views

What do halophytes do with the salt?

The answer to "How do some plants grow in salt water, while others die?" offers some hints as to how salt-tolerant plants store salt by shifting it out of cells, and also can deal with higher salt ...
9
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1answer
986 views

Can viruses survive Super saturated salt solution?

As we know there is less evidence of biological activity in Dead Sea ( Lake full of salt water). Also, our blood cells do not survive in too much salt water as they shrink and die. So I was thinking ...
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1answer
774 views

Can salt-water frogs survive in normal water (A well)?

I don't know much about frogs, but there seem to be salt water frogs. 1) Are there such things as salt water frogs? 2) Are there frogs that live in the sea? (in reference to Vivekananda's quote) 3) ...
2
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1answer
63 views

If targeting a certain daily water intake, do you have to compensate for beverages that promote diuresis?

Please forgive my ignorance on the topic and I hope this is a "on topic" question here. It was a toss up between this SE and Physical Fitness SE but I want a more scientific answer. I came at a ...
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0answers
77 views

What is the evidence that mammals are unable to process excess sodium chloride?

I grew up hearing the mantra excess salt causes heart disease I had a vague understanding that it caused deposits in the body or something. Now that I give it more thought - I come up with three ...
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1answer
237 views

Mangroves and desalination of sea water

I am not an expert but I guess that mangroves (or some other plants that thrive in sea water) perform some kind of desalination to extract fresh water from sea water. Is this true? If yes, What ...
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0answers
68 views

0.9% Saline or Ringer's Solution for in vivo work

A few of the labs where I currently work routinely use 0.9% saline for in vivo work (washing out debris during surgery, diluting substances for IP/IV/SC injections, etc.) A few years ago I worked in ...
6
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1answer
724 views

Are there terrestrial plants that thrive on sea water?

Given the existence of coastal deserts such as in the picture below, I was wondering whether terrestrial plants can survive on sea water alone? If yes, why then do coastal deserts exist, instead of ...
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1answer
97 views

Taste of salt water

I had a question relating to chemistry and biology, so please tell me if this is suited better for the Chemistry website. My question was, if water dissolves salt by separating the two ions, the Na+ ...