Engineering

Engineering, 28.11.2019 05:31, aaronhorowitz36

Explain the biochemical basis of rigor mortis, in terms of the interaction of actin and myosin; ie, wherein the contraction cycle is the muscle arrested? (describe the two roles played by atp in this phenomenon [the second role of atp relates to ca++].)

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Biology, 07.07.2019 20:30, pearl24

Which of the following accurately describes the way in which a muscle moves? a. no atp is needed is the contraction of a muscle. b. during contraction, cross-bridges pull the myosin to the center of the sarcomere. c. interaction and attachment between myosin and actin cause a muscle fiber to relax. d. when actin filaments are pulled toward the center of the sacomere, the fiber shortens.

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Biology, 03.08.2019 10:00, ronaldhernandez598

In rigor mortis, the muscles contract hours after death due to a breakdown of the sarcoplasmic reticulum. this is because the sarcoplasmic reticulum stores acetylcholine, which triggers muscle contraction calcium, which triggers muscle contractions atp, which prevents myosin from detaching from actin tropomyosin, which prevents myosin from detaching from actin

Answers: 1

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Biology, 21.08.2019 23:00, vallhernandez13

Which of the following accurately describes the way in which a muscle moves? a.when actin filaments are pulled toward the center of the sarcomere, the fiber shortens. b.interaction and attachment between myosin and actin cause a muscle fiber to relax. c.no atp is needed is the contraction of a muscle. d.during contraction, cross- bridges pull the myosin to the center of the sarcomere.

Answers: 2

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Explain the biochemical basis of rigor mortis, in terms of the interaction of actin and myosin; ie,...

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