= Agar
{wiki=Agar}
Agar is a gelatinous substance derived from red algae, specifically from the cell walls of certain species of seaweed. It is primarily composed of agarose and agaropectin, which are polysaccharides. Agar is commonly used in various applications, including: 1. **Culture Medium**: In microbiology, agar serves as a solid medium for growing bacteria and fungi in laboratory settings. Different types of agar, such as nutrient agar and agar plates, provide nutrients needed for microbial growth.
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