A Researcher Is Investigating the Structure of the Sarcomere Using

question 6

Multiple Choice

A researcher is investigating the structure of the sarcomere using skeletal muscle obtained from an experimental animal.  He develops monoclonal antibodies directed against a specific skeletal muscle protein and finds that these antibodies disrupt the binding of actin to structural support elements within the sarcomere.  Electron microscopy of the sarcomere is shown in the image below. Which of the following labeled regions do these antibodies most likely bind?

• A)A
• B)B
• C)C
• D)D
• E)E

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Definitions:

Ambiguous Genitals

A condition present at birth where the external sexual organs are not clearly male or female.

Cognitive Development Theory

The idea that each individual develops a gender identity by actively processing thoughts and feelings about gender.

Role Socialization

The process of learning the norms and behaviors associated with a particular social role within society.

Gender Schemas

Cognitive structures that reflect the perceived societal expectations and beliefs about gender roles and behaviors.