Pearson eText Biology: Science for Life -- Instant Access (Pearson+)
6th Edition
ISBN: 9780135214084
Author: Colleen Belk, Virginia Maier
Publisher: PEARSON+
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Chapter 22, Problem 8LTB
Summary Introduction
Introduction:
Muscle can be defined as a bundle or band of fibrous tissue in an animal or human body that has the capability to contract and produce movement in or upholding the location of body parts. There are 3 types of muscle tissue: smooth, cardiac, and skeletal. All muscles are made up of a type of elastic tissue. Every muscle has an antagonistic muscle which performs the opposite movement such as biceps and triceps.
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- The pectoral girdle is an incomplete ring because it is open in the back between the _______________________.arrow_forwardMyoclonus is the sudden, involuntary jerking of a muscle or group of muscles. _______________ _______________ _______________ _______________arrow_forwardHyperkinesia means abnormally increased muscle function or activity. _______________ _______________ _______________ _______________arrow_forward
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- Part Two: The rest of the story calcium to spill into the cytoplasm of the muscle cell _____ _____ _____ _____ _____ _____ _____ _____ Myosin head un-ratchets and is left holding ADP. As calcium levels in the cytoplasm decrease, there is less calcium to bind troponin and troponin begins to return to its original shape, thus allowing tropomyosin to again cover the actin binding sites. As long as Actin binding sites are available (and there is ATP available) myosin and actin interaction continues ATP ‘attaches’ to myosin head, and (via ATP hydrolysis) the energy released allows the myosin head to release the Actin. Myosin drops the ADP and binds to actin. The free calcium binds to troponin causing the troponin to change shape. Myosin heads ratchet, pulling actin towards the M-line. Troponin’s conformational change (shape change) pulls the tropomyosin off of actin’s binding sites.arrow_forwardThe fingers are _____to the elbow (Use the best directional term).arrow_forwardThe specialized soft-tissue manipulation technique used to ease the pain of conditions such as fibromyalgia, movement restrictions, and temporomandibular joint disorders is knownas______myofascial release occupational therapy RICE therapeutic ultrasoundarrow_forward
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