Organisms in a Biofilm Differ from Planktonic Bacteria in That ________

question 70

Multiple Choice

Organisms in a biofilm differ from planktonic bacteria in that ________.

• A)biofilms typically contain multiple species of bacteria living in a complex,whereas planktonic bacteria are single,free-floating organisms
• B)organisms in a biofilm secrete quorum-sensing chemicals to monitor the population; planktonic bacteria do not produce these chemicals
• C)an organism in a biofilm will activate different genes compared to a planktonic organism of the same genus and species
• D)organisms in a biofilm secrete extracellular materials to keep them anchored to a surface; these substances are not produced by free-floating bacteria 
• E)All of the choices reflect differences between biofilms and planktonic bacteria

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Definitions:

CIA

Tasked with the collection, processing, and analysis of national security information, the Central Intelligence Agency serves as a civilian foreign intelligence service for the federal government of the United States.

Liberal Abortion Laws

Regulations that allow for abortion with few restrictions, often prioritizing the choice and health of the woman.

Welfare System

A government program designed to provide financial aid and services to individuals and families in need, including health care, food assistance, and housing support.

Supply-side Economics

An economic theory that argues reducing taxes and regulations for businesses and the wealthy will stimulate investment in the short term and benefit society at large in the long term.