If the Bacterium Staphylococcus Aureus Experiences a Cost for Maintaining

question 12

Multiple Choice

If the bacterium Staphylococcus aureus experiences a cost for maintaining one or more antibiotic-resistance genes, what would happen in environments that lack antibiotics?

• A) These genes would be maintained in case the antibiotics appear.
• B) These bacteria would be outcompeted and replaced by bacteria that have lost these genes.
• C) These bacteria would try to make the cost worthwhile by locating and migrating to microenvironments where traces of antibiotics are present.
• D) The number of genes conveying antibiotic resistance would increase in these bacteria.

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Definitions:

Defence Mechanism

Psychological strategies brought into play by individuals, unconsciously, to protect themselves from anxiety or to provide a refuge from a situation with which they cannot currently cope.

Regression

A defense mechanism leading an individual to revert to an earlier stage of development in response to stress or conflict.

Immaturity

A lack of development, whether in biological, emotional, or psychological realms, often resulting in childlike behavior in adults.

Psychoanalytic Theory

A theory of personality organization and the dynamics of personality development that guides psychoanalysis, developed by Sigmund Freud, focusing on unconscious motives and conflicts.