Hispanagar Why is agar used in microbiology?

Nowadays, agar is frequently associated with food products, but there are actually other types of industries where this ingredient becomes an essential element.  

Yersinia Selective Agar: Purpose, Principles, Composition, Procedure and Result Interpretation

Hispanagar The versatility of agar, a booming ingredient

Agar - an overview ScienceDirect Topics

Agar Definition and Examples - Biology Online Dictionary

Hispanagar microbiological culture media

CHAPTER 1 - PRODUCTION, PROPERTIES AND USES OF AGAR

Agar Definition and Examples - Biology Online Dictionary

Thermo Scientific Yersinia Selective Agar:Microbiological Media and Media

Hispanagar How did agar in culture media first appear?