Cardiac Muscle Differs from Both Smooth and Skeletal Muscle in That

question 2

Multiple Choice

Cardiac muscle differs from both smooth and skeletal muscle in that

• A) its actin and myosin show no repeating pattern of arrangement when viewed under a microscope.
• B) neighboring cells in cardiac muscle are electrically coupled by gap junctions.
• C) its contractions are not explained by the sliding filament theory of muscular contraction.
• D) contractions of cardiac muscle are not due to Ca²⁺ influx into the sarcoplasm.
• E) its cells are multinucleated.

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Definitions:

Discrimination

involves treating someone differently or unjustly based on certain characteristics, such as race, age, gender, or sexuality, rather than individual merit.

Prejudice

A preconceived opinion or bias against an individual or group without sufficient information or experience, often based on stereotypes or societal norms.

Attitude

A psychological tendency expressed by evaluating a particular entity with some degree of favor or disfavor.

Dispositional Attribution

The tendency to attribute someone's behavior to their personality, character, or disposition.