Reference Entry

agar

Michael Allaby

in A Dictionary of Ecology

Fifth edition


Published online September 2015 | e-ISBN: 9780191793158

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A complex polysaccharide obtained from certain types of seaweed. When heated with water and subsequently cooled to about 45°C, agar readily forms a gel (jelly); an agar gel supplemented with nutrients is used widely as a medium for the culture of bacteria and other micro-organisms....

Reference Entry.  46 words. 

Subjects: Ecology and Conservation

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