How Do the Constituents of Liquid Medium Differ from Solid

question 58

Multiple Choice

How do the constituents of liquid medium differ from solid, gel-like medium?

• A) Liquid medium contains agar, a polysaccharide extracted from algae.
• B) Solid medium contains agar, a polysaccharide extracted from algae.
• C) Solid medium contains agar, a complex lipid extracted from bacterial membranes.
• D) Liquid medium contains more salts, which lower the freezing point.
• E) Solid medium contains more fatty acids, which raise the melting point.

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