Bacteria That Ferment Lactose Grow as Red Colonies on MacConkey's

question 30

Multiple Choice

Bacteria that ferment lactose grow as red colonies on MacConkey's agar while those that do not ferment lactose are transparent.MacConkey's agar can best be described as being:

• A)selective
• B)differential
• C)complex
• D)enriched

---

Definitions:

Animal Misbehavior

Operant behavior that deteriorates, rather than improves, with continued reinforcement due to the elicitation of an instinctive behavior that reduces the effectiveness of the operant response.

Operant Conditioning

A method of learning that employs rewards and punishments for behavior, promoting the association between behaviors and their consequences.

Environmental Circumstances

The conditions or factors that surround and influence the living and non-living elements of an ecosystem or environment.

Instinctive Behavior System

Behaviors that are innate, occurring naturally and automatically in response to specific stimuli.