What happens when the muscular action potential spreads through transverse (T) tubules of the sarcolemma?

Q: which decreases cytoplasmic calcium ion concentration The relaxation of skeletal muscle relies on…

A:

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: Once an action potential arrives at the neuromuscular junction, there is a sequence of events that…

A: When a muscle fibre is activated, a short electrical signal called an action potential is produced…

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: Which of the following does not occur during muscle contraction? Release of calcium into sarcoplasm…

A: Muscle contraction occurs when the action potential from the motor neuron passes the signal to a…

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: Myosin filaments iterdigitate with actin filaments in order to bring about muscle contraction.…

A: The process of muscle contraction is necessary for the normal physical activities of the body. Force…

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 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: What is the function of calcium in muscle contractions? to bind to troponin and change its…

A: Skeletal muscles are a special type of muscles made up of contractile tissue. They are a type of…

Q: How does the AP in the motor neuron cause calcium release in the muscle fiber?

A: Action potential refers to the depolarisation of neuronal membrane which is required for the…

Q: Which of the following correctly states the importance of an action potential to muscle contration?…

A: Muscle contraction helps in the movement of muscles. It causes the muscle fibers to contract to…

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: 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: Which statement or statements describe why depletion of ATP after death leads to rigor mortis?

A: Rigor mortis is the third phase of death. It is one of the unmistakable indications of death,…

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: A motor unit associated with the stimulation of skeletal muscle is designated as a 1:8 motor unit.…

A: A motor unit is made up of a motor neuron and the skeletal muscle fibres innervated by that motor…

Q: Arrange the steps of muscle innervation and contraction in response to touching a hot plate.…

A: Sensory neurons(afferent neurons) are defined as the type of nerve cells where they get activated…

Q: The functions of tropomyosin in skeletal muscle include sliding on actin to produce shortening…

A: 1. acting as a relaxing protein at rest by covering up the sites where myosin binds to actin  2.…

Q: Which of the following step(s) about the excitation of skeletal muscle is/are incorrect?   1.…

A: Muscle contraction is an example of a complex biological process. The excitation of skeletal muscle…

Q: Skeletal muscle is described as striated. What are the lighter, thinner stripes noted under the…

A: The lighter, thinner stripes noted under the microscope are actin. Under a microscope, the thick and…

Q: In the process of muscle contraction, which of the following steps immediately comes after the…

A: Muscle contraction can be defined as the activation of tension-generating sites within muscle…

Q: Which of the following does not occur during the excitation contraction coupling of skeletal muscle?…

A: Excitation contraction coupling of skeletal muscle is the connection between electrical action…

Q: the

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

Q: Chronically shortened muscles will lose sarcomeres in series in order to maintain ideal amounts of…

A: Skeletal muscles contain connective tissue, blood vessels, and nerves. There are three layers of…

Q: In a skeletal muscle if calcium levels in the cytosol increase, as calcium is released from the…

A: Skeletal muscle can be outlined as the muscles of the body that are voluntary in action. They are…

Q: Order the events leading to muscle contraction. Ca ions bind to troponin myosin binds to actin…

A: Muscle contraction It is defined as the muscles tightening or lengthening during performing an…

Q: Which statement or statements describe the role of calcium in the stimulation of muscle fibers?…

A: Muscles are defined as soft tissue that can undergo contraction, movement production, and maintain…

Q: The region of the muscle fiber involved in a neuromuscular junction is called the: Group of answer…

A: The neuromuscular junction, also known as the myoneural junction, is the location of chemical…

Q: How would exposure to a sarin or sarin-like chemical affect calcium levels inside the sarcoplasmic…

A: The sarcoplasmic reticulum (SR), which is comparable to the smooth endoplasmic reticulum in other…

Q: Which of the following is NOT correct regarding muscle contraction? O Ca++ in the sarcoplasm returns…

A: Muscle is defined as a group of tissues where they play a major role in producing motion and force,…

Q: Which of the following are correct regarding processes that are involved in the Latent period a…

A: Muscle fibers consist of a single muscle cell. They help control the body's internal energy. When…

Q: In order to form a cross bridge in skeletal muscle sarcomeres, calcium must bind to __________ and…

A: Calcium is required for muscle contraction. A muscle is made up of actin and myosin. Actin are…

Q: What are the events that occur during contraction of a muscle fiber? O Binding of ACh to ACh…

A: Neuromuscular junction (NMJ) is the synaptic connection between the terminal ends of a motor neuron…