A Toxin Common to All Gram-Negative Bacteria Is

question 6

Multiple Choice

A toxin common to all Gram-negative bacteria is

• A) neurotoxin.
• B) coagulase.
• C) lipid A.
• D) hemolysin.
• E) collagenase.

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Definitions:

Control Group

In experimental research, this is the group of participants not exposed to the experimental treatment, serving as a baseline to compare with the experimental or treatment group.

Double-blind Study

A research experiment in which neither the participants nor the experimenters know who is receiving a particular treatment, eliminating bias in the results.

Dependent Variable

In an experiment, it is the variable being tested and measured, and is thought to be influenced by the independent variable.

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to observe its effects on the dependent variable.