Match the level of skeletal muscle organization given in the key with its description:Key:(a) muscle (b) fascicle (c) fiber (d) myofibril (e) myofilament__(1) rod-shaped organelle; made of sarcomeres__(2) an organ__(3) a bundle of cells__(4) a group of large molecules__(5) a cell

Q: Compare the composition of flight muscles with a powerful locomotive muscle in terms of…

A: Flight muscles are a type of muscle which is found in birds or insects. This muscle helps birds or…

Q: requires

A: Answer:- Striated and smooth muscle activation differ because: Let's , elaborate on all the options…

Q: Which of the following muscle cell components helps spread the depolarization of the muscle cell…

A: The objective of the question is to identify the muscle cell component that is responsible for…

Q: Select the best answer or answers from the choices given: Thick and thin myofilaments have different…

A: The term myofilaments refer to the myofibril filaments composed of proteins. The thick myofilaments…

Q: Total force in the length:force relationship is the result of a.) ideal overlap between the myosin…

A: The length-tension relationship in muscle tissue describes the force a muscle can generate at…

Q: How can I describe skeletal muscle contraction using the words "upper motor neuron" and "lower motor…

A: Skeletal muscles represent one of the three types of muscles including smooth muscle and cardiac…

Q: The 2 main proteins in muscle cells are _______ and ___

A: According to the question, we have to mention the names of the two main proteins present in muscle…

Q: Which of these is the proper sequence of these events of muscle contraction 1) Action potential…

A: Based on option, the correct order is 1, 3, 4 and 2. Steps in initiating contraction: Whenever…

Q: identify the incorrect statement about skeletal muscle  (A) the epimysium, perimysium, and…

A: Concentric isotonic contractions - contractions that involve shortening of the muscle are referred…

Q: (a) What are myofibrils? (b) Which components of the sarcoplasm separate the myofibrils in a fiber…

A: The three muscle types in the human body are skeletal, smooth, and cardiac muscle. Skeletal muscles…

Q: In 2013, Zach Bitter set a new record for running a 100 mile Ultra-Marathon in less than 12 hours.…

A: The muscle fiber is an individual muscle cell that consists of hundreds or thousands of myofibrils.…

Q: 21. Summarize the events that occur during the Excluation-Contraction Coupling Phase in a skeletal…

A: Neurons are the cellular components of the nervous system that help in nerve impulse transmission.…

Q: The size of a motor unit (i.e., the # of muscle fibers innervated) can directly influence which of…

A: Motor unit This unit constitutes a motor neuron and all of the skeletal muscle fibers innervated by…

Q: muscle spidnles are _____ receptors and provide ____ information, whereas golgi tendon organs…

A: The majority of skeletal muscles contain this stretch receptor, which is widely distributed. When a…

Q: The events during the leg phase of a muscle fiber twitch begin with................ and end…

A: Muscle is a soft and contractile tissue that is responsible for body movement. Muscle cells consist…

Q: The greater the number of _________  involved in a motor unit, the ________ the degree of fine…

A: Muscle fibres control the physical forces within the body. They help facilitate the movement of…

Q: Which of these events occurs during the team phase, just when a muscle has been stimulated? a) Ca2…

A: Muscle stimulation The muscle contraction is stimulated by the action potential that traveled along…

Q: How would muscle contractions be affected if skeletalmuscle fibers did not have T-tubules?

A: Muscles:                    In animals, soft tissues found known as muscles. Muscles cells contain…

Q: why would skeletal muscle cell need so many nuclei?

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Q: A motor unit is the smallest voluntary functional unit of force production and consists of one motor…

A: Introduction: Recruitment of Motor Units is defined as the activation of comparable motor units that…

Q: Which is true for striated muscles? a) may have spontaneous activity b) is not under the control…

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Q: What is the micro anatomical arrangement of a skeletal muscle fiber cell?

A: Muscle is a soft and contractile tissue that is responsible for body movement. Muscle cells consist…

Q: Myofiber,that is mature muscle cells, have more than one nucleus,how does that happen

A: Myofibers are units that form the skeletal muscles. They are seen as bundles, and apart from muscle…

Q: In skeletal muscle, the sarcolemma is directly covered by: a) epimysium. b) perimysium. c)…

A: Muscles:              In animals, soft tissues found known as muscles. Muscles cells contain myosin…

Q: Without acetylcholine esterase (AChe) will the action of skeletal muscle increase, decrease or not…

A: Acetylcholine esterase is an enzyme ;which play very important role in our body by catalyzing the…