What Happens to the Actin and Myosin Filaments When a Muscle

question 31

Multiple Choice

What happens to the actin and myosin filaments when a muscle contracts?

• A)both of them shorten
• B)both of them lengthen
• C)both stay the same length
• D)actin shortens while myosin lengthens
• E)myosin shortens while actin lengthens

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Definitions:

Nielsen's PRIZM

A market segmentation research tool that classifies the American population into distinct lifestyle segments to help marketers identify and target their customers and prospects.

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A marketing strategy that targets a broad, undifferentiated audience with the aim of reaching as many people as possible.

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A unified strategy designed to promote a particular product or service without segmenting efforts or resources.

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The process of dividing a market into groups based on consumer behavior patterns as they relate to the use of a product or service.