Modified Mastering Biology with Pearson eText -- Standalone Access Card -- for Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321946508
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Chapter 30, Problem 14TYK
Describe how you bend your arm, starting with action potentials and ending with the contraction of a muscle. How does a strong contraction differ from a weak one?
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Describe how you bend your arm, starting with action potentials and ending with the contraction of a muscle. How does a strong contraction differ from a weak one?
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Chapter 30 Solutions
Modified Mastering Biology with Pearson eText -- Standalone Access Card -- for Campbell Biology: Concepts & Connections (8th Edition)
Ch. 30 - Complete this concept map on animal movement.Ch. 30 - A humans internal organs are protected mainly by...Ch. 30 - Arm muscles and leg muscles are arranged in...Ch. 30 - Gravity would have the least effect on the...Ch. 30 - Prob. 5TYKCh. 30 - Prob. 6TYKCh. 30 - When a dog is running fast, its body position is...Ch. 30 - What is the role of calcium in muscle contraction?...Ch. 30 - Muscle A and muscle B have the same number of...Ch. 30 - Prob. 10TYK
Ch. 30 - Prob. 11TYKCh. 30 - Prob. 12TYKCh. 30 - Prob. 13TYKCh. 30 - Describe how you bend your arm, starting with...Ch. 30 - Prob. 15TYKCh. 30 - Drugs are often used to relax muscles during...Ch. 30 - An earthworms body consists of a number of...Ch. 30 - When a person dies, muscles become rigid and fixed...Ch. 30 - SCIENTIFIC THINKING Imagine you have a friend who...
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- Which component is responsible for initially stimulating a muscle contraction? a. proteins b. electrochemical signals c. plasma membranes d. striationsarrow_forwardIn a general sense, how do skeletal muscles produce movement?arrow_forwardA.What type of contractions do skeletal muscles do? B. What type of contractions do cardiac muscles do? C.a. What type of contractions do smooth muscles do?arrow_forward
- Pick the right order for muscle contraction a) ATP attaches to myosin, muscle cell uses calcium, action potential spreads b) Calcium release, binding sites on actin are exposedmyosin binds to actin c) Myosin binds to actin, myosin uses calcium, cell gets shorter d) Action potential is received , cell gets shorter, myosin grabs actinarrow_forwardWhat would happen to muscle function if you ingested a toxin that completely inactivated troponin? The toxin inhibits its ability to change conformation. How would this affect muscle contraction?arrow_forwardWhich choice lists the components of a muscle from the smallest unit to the largest unit? A. myofibril, filament, sarcomere, muscle fiber B. filament, sarcomere, myofibril, muscle fiber C. sarcomere, filament, muscle fiber, myofibril D. muscle fiber, filament, sarcomere, myofibrilarrow_forward
- What happens when myosin filaments hydrolyze ATP molecules in muscles? a. Actin–myosin complexes dissociate, leading to muscle contraction. b. Actin–myosin complexes dissociate, leading to muscle relaxation. c. Actin–myosin complexes are formed, leading to muscle contraction. d. Actin–myosin complexes are formed, leading to muscle relaxation.arrow_forwardWhich of the following statements about movement and locomotion isfalse?a. Terrestrial animals and flying animals expend energy to provide lift.b. Swimming animals expend energy to provide thrust but not lift.c. Flexors and extensors are examples of muscles called agonists.d. Flexors cause bending at a joint.e. Extensors cause straightening of a limb.arrow_forwardWhy is it important that skeletal muscle tissues work voluntarily and smooth and cardiac muscle tissues are involuntary?arrow_forward
- Predict what might happen to a muscle cell that is extensible but not elastic. What if the reverse were true— a muscle cell is elastic but not extensible?arrow_forwardWhich of the following statements is True?a. Tendons contract using the sliding filament mechanism.b. Tendons are composed primarily of cartilage fibers.c. Tendons attach bones to bones at joints.d. Tendons attach muscles to bone.arrow_forwardHow would ine generate more muscle tension to pick up something heavy? Increase activation of motor units Increase muscle tone Decrease calcium release Decrease muscle hypertrophy Decrease muscle hyperplasiaarrow_forward
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