Culturing Methods Often Detect Organisms That May Be Rare in the Environment

question 18

Multiple Choice

Culturing methods often detect organisms that may be rare in the environment but prevail when nutrients appear. What are these typically called?

• A) weed organisms
• B) protists
• C) rhizobia
• D) OTUs
• E) microbial dark matter

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Definitions:

Cyclic Side Chain

A side chain forming a ring structure within a larger molecule, contributing to the molecular functionality and properties.

Nylon

A durable synthetic polymer, primarily used in the production of fabrics, plastics, and fibers.

Rayon

A semi-synthetic fiber made from regenerated cellulose, used in a wide variety of textiles and clothing.

Carboxylic Acid

Organic acids characterized by the presence of at least one carboxyl group, playing significant roles in biochemistry and industry.