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An individual "step" by a myosin head in one cycle pulls the thin filament about 15 nm. How many steps must each actin fiber make in one contraction?

An individual "step" by a myosin head in one cycle pulls the thin filament about 15 nm. How many steps must each actin fiber make in one contraction?

Human Anatomy & Physiology (11th Edition)
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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72.13.2

## Part B An individual "step" by a myosin head in one cycle pulls the thin filament about 15 nm. How many steps must each actin fiber make in one contraction? **Express your answer as an integer.** - **Answer Box:** A text box is provided for entering the number of steps. - **Button Options:** Icons for mathematical formatting, undo, redo, and help are available. - **Submit Button:** Once an answer is entered, click "Submit" to finalize. - **Request Answer:** Option available for assistance. This problem focuses on understanding the mechanics of muscle contraction at the molecular level, specifically the action of myosin heads on actin filaments.
Transcribed Image Text:## Part B An individual "step" by a myosin head in one cycle pulls the thin filament about 15 nm. How many steps must each actin fiber make in one contraction? **Express your answer as an integer.** - **Answer Box:** A text box is provided for entering the number of steps. - **Button Options:** Icons for mathematical formatting, undo, redo, and help are available. - **Submit Button:** Once an answer is entered, click "Submit" to finalize. - **Request Answer:** Option available for assistance. This problem focuses on understanding the mechanics of muscle contraction at the molecular level, specifically the action of myosin heads on actin filaments.
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