write down in order  Place in order the events that occur for a muscle contraction to begin at a sarcomere.       Calcium ion is removed from troponin-tropomyosin on actin   Calcium binds with troponin-tropomyosin on actin   Actin joins myosin forming crossbridge   Action potential depolarizes T-tubules   Vesicles within terminal axon release ACh which diffuses across synaptic cleft   Calcium ions release from sarcoplasmic reticulum   ATP binds to myosin crossbridge, breaking bond

Q: Muscle contraction can occur when: is it 1,2,3,4? A bands lengthen. myosin filaments shorten.…

A: Muscle is a specialized contractile tissue that is a distinguishing characteristic of animals.…

Q: In the process of muscle contraction, which of the following steps immediately precedes the sliding…

A: Muscle cells are specialized for contraction. Muscles allow for motions such as walking, and they…

Q: In the sliding filament model of muscle contraction, I bands contain     sacrcomeres.     thin…

A: The cytoskeletal proteins including actin filament or microfilament, microtubules and intermediate…

Q: Explain the structure and organization of muscle fascicles and the role in generating force include…

A: Bones, ligaments, muscles, tendons, etc. constitute the musculoskeletal system. The body movement is…

Q: depolarization of the transverse tubules (T-tubules) promote

A: Every cell in the body has a cell membrane which separate it from the external environment of the…

Q: The power stroke in muscle contraction is the: Group of answer choices product of force and velocity…

A: The cells that make up muscle have the unique capacity to shorten or contract to cause movement of…

Q: What is associated with the formation of a cross-bridge in skeletal muscle? ADP release from myosin…

A: Any movement requires the contraction of skeletal muscles. Muscles contain actin and myosin…

Q: What best explains the inability to fully contract a muscle when the muscle is first shortened prior…

A: Muscle contains muscle fiber cells which are specialized for contraction. The muscle movement is a…

Q: Which protein is responsible for blocking the myosin binding site to actin, while the muscle is at…

A: Myosin and actin slides onto each and plays a major role in muscle contraction..

Q: The higher the frequency of action potentials, the higher amount of force produced in a muscle.…

A: An action potential is a change in the membrane potential of the neuron. This is caused due to…

Q: e following are reg itch? (choose all that apply) e first phase where the "cross-bridge" c

A: The contraction of a muscle fiber in response to a stimulus by the nervous system is called as a…

Q: Discuss about Ca2+-dependent thin-filament regulation of skel-etal muscle contraction.

A: Movement of skeletal muscle in mammalians show large variability in its functions with their…

Q: the given below option what step causes a sarcomere to shorten? cross-bridge formation  calcium…

A: The component of a muscle fiber that contracts is called a sarcomere. Actin and myosin make up the…

Q: Calcium storing membranous network in muscle fibers Transmit the action potential to the interior of…

A: The motor neuron's axon receives an action potential.On the axon, the action potential opens…

Q: According to the sliding filament mechanism of skeletal muscle contraction, during contraction: The…

A: The myofibrils of skeletal muscles contain alternatingly dark and light bands. The dark band is…

Q: Select the correct statements regarding myosin-mediated contraction in the sarcomere. Ca2+ is…

A: Actin and myosin work together to produce muscle contractions and, therefore, movement.

Q: describe the events that lead to muscle contraction starting at the level of the neuromuscular…

A: Muscle contraction occurs when these are initiated by a nerve signal. This is triggered by…

Q: Know the Sliding Filament Theory & neurological events leading up to contraction. (i.e. from the…

A: The level of calcium ions in the cytoplasm is controlled by muscle contraction. Calcium ions work at…

Q: Type II (fast twitch) muscle fibers contain what properties?    Select 2 correct answer(s)…

A: Skeletal system are the major organ system of the human body that provides framework and structural…

Q: the process of muscle contraction, which of the following steps immediately precedes the influx of…

A: Muscle contraction:-  Is the response  a muscle has to any kind of stimuli where the result is…

Q: skeletal muscles:       0.Troponin has a strong affinity              for Ca2+ Creation of…

A: Muscles There are three type of muscles cell found in human Cardiac muscle cells  Smooth muscle…

Q: Skeletal muscle will be released in its contracted (rigor) state when: Group of answer choices ATP…

A: Please note that the correct statement for the question should be "Skeletal muscle will be released…

Q: complete tetanus    Has increased muscle length with no change in tension.   eccentric…

A: The contraction of the muscle generates a force called as muscle tension. There is also generation…

Q: Match the word in the word box with the following definition this type of stretching involves…

A: Stretching is a form of activity necessary for body movement. This has various phases and forms. It…

Q: Why is it important to remove acetylcholine from its binding to acetylcholine receptor once neural…

A: Acetylcholine : It is an organic chemical which functions in the brain and body of many types of…

Q: Put the following statments describing the skeletal muscle contraction pathway in the correct order:…

A: The signal for the muscle contraction is sent to the motor neuron from the brain or the spinal cord.…

Q: Fast twitch muscle fibers have lower force production than slow twitch.     True   False

A: Introduction:- The muscular system is an organ system that connects bones, tendons, and heart…

Q: Select ALL that would INCREASE the strength of a muscle contraction: recruiting more slow-twitch…

A: Skeletal muscle cells are long and cylindrical, has voluntary control in action that is in under our…

Q: Match the statement on the left with the best response on the right. Breaking the high energy bond…

A: Introduction :  A synapse is a small space that represents the junction between two axon terminals…

Q: As sarcomere shortening progresses during muscle contraction, which structure gets progressively…

A: A muscle contraction:-It can be defined as an increase in the tension of the muscle.-It can also be…

Q: All the following are necessary for a skeletal muscle cell to full relax, except one. Which answer…

A: Muscle is a delicate tissue found in many creatures. Muscle cells contain protein fibers of actin…

Q: Why does a skeletal muscle cell generate the same amount of tension with each single stimulus? O…

A: Neural control initiates the formation of actin and myosin cross bridges, leading to the sarcomere…

Q: Tetanus is a phenomenon where muscle fibers are continuously contracted. What best explains this?…

A: Tetanus is a sustained muscle contraction evoked when the motor nerve that innervates a skeletal…

Q: Number 5 in Graph B represents iand is the result of i The statement above is best completed by the…

A: Need to find what the label 5 represents in the graph given.

Q: Which of the following summarizes the role of calcium in muscle contraction? opens the binding sites…

A: The actin's active-binding sites are made visible by calcium ions attaching to the protein complex…

Q: Each of the pairs of phrases below describe steps during skeletal muscie contraction. The 2nd phrase…

A: Muscle tissue is a type of tissue which contain actin , Troponin and myosin proteins so as to allow…

Q: Humming birds and rattlesnakes can contract and relax skeletal muscle very quickly, i.e. in 10-20…

A: In all vertebrates three major types of muscles are present. These are- cardiac muscles, smooth…

Q: As skeletal muscle shortens with contraction, the length of the I band remains constant as the…

A: Muscle contraction is defined as the process of stimulation of tension generation sites present…

Q: We control muscle force using motor unit recruitment. When we recruit more motor units, what is…

A: The process of activating different motor units to achieve a specific level and kind of muscular…

Q: Which of the following is associated with smooth muscle contraction? Troponin as…

A: Muscle cells are specific for contraction. It allows for motions and facilitates bodily processes…

Q: An INCREASE in has no direct effect on increasing tension during skeletal muscle contraction.…

A: The muscles which are attached to the bones, can contract voluntarily and are mainly involved in…

Q: What is NOT related to temporal summation for muscle contraction? residual Ca2+ in the muscle…

A: Temporal summation of muscle contraction can be described as a sensory summation involving the…

Q: Thick myofilaments contain which of the following? (Select all that apply) troponin actin myosin…

A: Myofilaments are key regulators of the contraction in cardiac and skeletal muscles. The thick-thin…

Q: Which of the following are true regarding length/tension relationships in muscle?

A: Muscle contraction is a major phenomenon associated with the functioning of the myofibril occurring…

Q: Briefly explain the steps involved in a single muscle contraction beginning at the neuromuscular…

A: Muscles are tissues that can contract and expand. The muscles can be grouped into three types based…

Q: explain muscle contraction in several distinct steps starting the release of acetylcholine junction

A: Muscle contraction occurs when the tension generating regions are activated within the muscle…

Q: active muscle tension begins at approximately one hundred percent of resting length for a muscle…

A: Muscle tension is the condition where muscles of the body remain semi-contracted for a lengthy…

Q: • Myosin pulls the actin strands • An action potential arrives at the neuromuscular junction •…

A: The muscles in the body in association with the skeleton system provide us with the desired…