Why do preserved foods not spoil, Biology

Assignment Help:

Why do preserved foods not spoil?

Plant and animal cells must stay in an isotonic, or neutral, solution to survive. When salt or sugar is added, more of the cells wither and die, and the bacteria cannot live on dead cells.

Sometimes they have agents added that do not permit bacteria and other microbes to colonize and grow on the food. Microbes like bacteria and fungus break down the food causing the spoilage

 


Related Discussions:- Why do preserved foods not spoil

Explain nutrient cycling and their processes, Explain Nutrient Cycling and ...

Explain Nutrient Cycling and their processes? Two major processes are common to all ecosystems: nutrient cycling and the flow of energy. These two functions are carried out by

Future directions in biodiversity valuation, The methods that can be used f...

The methods that can be used for valuing biodiversity are still evolving at the global level, but studies have been done on how biodiversity values can be incorporated into the pro

Fatty acids, F A TT Y ACIDS They are monocarboxylic organic acids...

F A TT Y ACIDS They are monocarboxylic organic acids (R.COOH) having a hydrocarbon chain of 4 - 30 carbon atoms. The polar carboxylic group is hydrophilic (Gk. hydro

What do you mean by zoological nomenclature, What do you mean by Zoological...

What do you mean by Zoological Nomenclature? This trust is housed in the British Museum, London and is responsible for some of the most important literature in Zoological Nomen

Techniques of plant tissue culture, Techniques of Plant Tissue Culture ...

Techniques of Plant Tissue Culture A standard tissue culture laboratory should provide facilities for washing and storage of glass ware, preparation and storage of nutrient

Theories of ageing, THEORIES OF AGEING - 1 .       Compromise theory....

THEORIES OF AGEING - 1 .       Compromise theory. 2 .        Wear & tear theory. 3 .       Somatic mutation theory. 4 .       Immunity theory - Thymus becom

Explain food sources of lron, Explain Food Sources of lron? lron is fo...

Explain Food Sources of lron? lron is found in foods in one of the two forms i.e. haem or non-haem. In the human diet, the primary sources of haem iron are the haemoglobin and

Describe casparian strip, Casparian strip  In plants, the impermeable waxy ...

Casparian strip  In plants, the impermeable waxy layer between the cells of endodermis which stops water and solutes from entering into the xylem, except by passing through the cyt

Explain cumulative interceptive supportive therapy, Cumulative Interceptive...

Cumulative Interceptive Supportive Therapy (ITI Consensus report) Systematic and continuous monitoring of the periimplant tissue conditions is recommended for the diagnosis of

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd