classical conditioning the process of learning through which an initially neutral stimulus comes to elicit a conditioned (or conditional) response following repeated pairings with an unconditioned (or unconditional) stimulus.perant conditioning. learning in which a particular response is elicited by a stimulus because that response produces desirable consequences (reward). Pavlovian conditioning. see classical conditioning (above).
Reproduction is s a characteristic of living organisms.--- In multicellular organisms, reproduction refers to the production of progeny possessing features more or less similar to those of parents. Invariably and implicitly we refer to sexual reproduction.
From a patient point of view, the most important property of an antimicrobial agent is its selective toxicity, i.e., that the agent acts in some way that inhibits or kills bacterial pathogens but has little or no toxic effect on the patient. Characteristics of Antibiotics.