Some Bacteria, Such as Desulfovibrio, Are Able to Reduce Sulfates

question 50

True/False

Some bacteria, such as Desulfovibrio, are able to reduce sulfates to hydrogen sulfide as the final step in the electron transport chain.

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

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Definitions:

Double-Blind Control

A study or experiment design in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.

Experimenter Bias

A form of bias introduced into a study's results due to the experimenter's expectations, attitudes, or behavior affecting the subjects' performance or responses.

Independent Variable

The factor in a study that the investigator alters to examine its impact on the outcome variable.

Dependent Variable

Refers to the variable in an experiment that is expected to change as a result of variations in the independent variable.