If gene therapy in the future would allow one to artificlally alter the expression of muscle fibers for athletic success, which Increase Infiber type would make the most sense for the following activities?Long-distanceswimmingTriathlonShot putStanding broad jumpMarathon runningRunning the 400-meter dashLong-distancecyclingDunking a basketballCompetitive divingBaseball pitchingSlow-Twitch FibersFast-Twitch Fibers

Given: From the following, we need to arrange the slow-twitch fibers and fast-twitch fibers

Answered: If gene therapy in the future would…

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter32: Structural Support And Movement

Section: Chapter Questions

Problem 2CT: After death, a person no longer makes ATP, so calcium stored in the sarcoplasmic reticulum diffuses...

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Similar questions

The _____ is the basic unit of muscle contraction. a. myofibril b. sarcomere c. muscle fiber d. myosin filament
Muscles relaxatiom occurs when acetylcholine is cleaved from its receptors ,calcium is pulled back into the sarcoplasmic recticulum,the myosin is released from its binding site ,and the muscle fiber returns to its resting lenght true or false
Antigarvity muscles maintain stretch reflex for prolonged periods withoutfatigue, because :-a- they are heavily innervated by α -motor neuronsb- they obtain their energy needs mainly from anaerobic metabolic processesc- they contain exceptionally high levels of creatine phosphated- they are rich in mitochondria
Which of the following does not occur during the excitation contraction coupling of skeletal muscle? Opening of ryanodine receptor calcium channels Calcium binding to troponin Tropomyosin shifting away from myosin binding sites on the actin An end plate potential
Arrange the steps of muscle innervation and contraction in response to touching a hot plate. appendage is removed from stimulus v movement is produced muslce fibers work together to produce action muscle contraction occurs and the sarcomere shortens Myosin heads bind thin filament Calcium binds troponin Calcium is released T tubules carry the action potential to the sarcoplasmic reticulum Action potential is generated in the sarcolemma as a result of opened sodium channels The presynaptic cell releases acetylcholine Signal arrives at the neuromuscular junction Sensory receptors detect uncomfortable heat Afferent neurons carry impulse to the central nervous system Signal reaches the reflex arc in the central nervous system and is directed out through the anterior horn Signal travels through the motor units > |> > > |> > > > > > > > >
Stretch of an innervated muscle evokes :-a- contraction of its spindlesb- contraction of its extrafusal fibersc- contraction of antagonistic musclesd- relaxation of synergistic muscles
The power stroke in muscle contraction is the: Group of answer choices product of force and velocity in muscle contraction transmission of the action potential down the neuron rotation of the myosin head after the cross bridge forms transmission of the action potential down the neuron
ZAV : ۱۲:۵۲م سبت ۳ نیسان docs.google.com a The functions of tropomyosin in skeletal muscle include sliding on actin to produce shortening releasing Ca2+ after initiation of contraction. binding to myosin during contraction. acting as a "relaxing protein" at rest by covering up the siteswhere myosin binds to actin generating ATP, which it passes to the contractilemechanism. Which of the following is the proper progression of the levels of organization in the body? chemicals, cells, organs, tissues, body systems, whole body chemicals, cells, tissues, organs, body systems, whole body cells, chemicals, tissues, organs, whole body, body systems cells, chemicals, organs, tissues, whole body, body systems O chemicals, cells, tissues, body systems, organs, whole body working as barriers that restricts the movement of protein and other molecules from the underlying connective tissue into the epithelium Basement membrane Epithelial tissue Dermis Microvilli Back Next Never submit passwords…
Which protein is responsible for blocking the myosin binding site to actin, while the muscle is at rest? O myosin actin tropomyosin O troponin
The disease poliomyelitis (po′le-o-mi′˘e-li′tis) destroys motor neurons, causingloss of muscle function and even flaccid paralysis. Some patients recoverbecause axon branches form from the remaining motor neurons. Thesebranches innervate the paralyzed muscle fibers to produce motor unitswith many more muscle fibers than usual. How does this reinnervation ofmuscle fibers affect the degree of muscle control in a person who hasrecovered from poliomyelitis?
Skeletal muscle is described as striated. What are the lighter, thinner stripes noted under the microscope? Group of answer choices troponin actin myosin dystrophin Rather than innervating individual muscle fibers, motor neurons often innervate two or more muscle fibers. The motor neuron and the muscle fibers it innervates are together called a: Group of answer choices motor unit myofibril muscle fascicle motor fascia Fast glycolytic muscle fibers allow for relatively quick ATP energy production by splitting glucose (but eventually leads to fatigue), a process described as: Group of answer choices fermentation aerobic pathway anaerobic pathway ATP reserve use
Myosin filaments iterdigitate with actin filaments in order to bring about muscle contraction. Provide below the 5 steps that are required for Myosin to move along actin.

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