According to the when its______ Group of answer choices sliding-filament model of muscle contraction, sarcomere contracts 1. Thin filaments, consisting of actin, push thick filaments toward each other 2. Thin filaments, consisting of myosin, push thick filaments toward each other 3. Thick filaments, consisting of myosin, propels thin filaments inward 4. Thick filaments, consisting of actin, propels thin filaments inward

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Muscle Contraction and the Sliding-Filament Model**

In the context of the sliding-filament model of muscle contraction, the sarcomere contracts when its:

**Group of Answer Choices:**

1. Thin filaments, consisting of actin, push thick filaments toward each other.
2. Thin filaments, consisting of myosin, push thick filaments toward each other.
3. Thick filaments, consisting of myosin, propel thin filaments inward.
4. Thick filaments, consisting of actin, propel thin filaments inward.
Transcribed Image Text:**Muscle Contraction and the Sliding-Filament Model** In the context of the sliding-filament model of muscle contraction, the sarcomere contracts when its: **Group of Answer Choices:** 1. Thin filaments, consisting of actin, push thick filaments toward each other. 2. Thin filaments, consisting of myosin, push thick filaments toward each other. 3. Thick filaments, consisting of myosin, propel thin filaments inward. 4. Thick filaments, consisting of actin, propel thin filaments inward.
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