Antigen Shifting Allows the Pathogens to Escape from Immune Recognition

question 67

Multiple Choice

Antigen shifting allows the pathogens to escape from immune recognition.This mechanism is employed by all of the following except

• A)flu viruses.
• B)trypanosomes.
• C)malarial protozoans.
• D)HIV.
• E)Antigenic shifting occurs in all of the answers given in this question.

Analyze the causes and effects of the French Revolution on American politics and relationships with foreign powers.

Grasp the constitutional debates and disagreements over federal power and states' rights.

Recognize the impact of early U.S. foreign policies on domestic and international relations.

Understand the implications of the Louisiana Purchase on American expansion and politics.

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Definitions:

Participant Observation

A research method where the investigator actively engages in the community or situation being studied while observing its dynamics.

Observer Bias

The tendency for observers to see, report, or record what they expect to see, rather than what is actually happening, due to preconceived notions or beliefs.

Survey Method

A research technique used to gather data through questionnaires or interviews from a sample of individuals.

Case Study

A research method that involves an in-depth analysis of a single individual, group, event, or situation to explore causation in order to find underlying principles.