The neurotransmitter released by the motor neuron and responsible for electrically exciting the muscle fiber is,

Q: Provide a possible physiological explanation for the differences between muscle fatigue and nerve…

A: The physiological activities in our body teaches us how our body work and how it responds to the…

Q: Actin is sometimes called the "thick" filament. It splits ATP and is responsible for the "power…

A: The movements of different body parts are attributed to the systemic contraction and relaxation of…

Q: Name the system that provides a ready supply of phosphocreatine to muscle cells and describe where…

A: Phosphocreatine It is also known as creatine phosphate. It is a phosphorylated form of creatine…

Q: Describe the mechanical and biochemical properties of human skeletal muscle fiber types.

A: The Muscle is a soft tissue that is responsible for producing force and motion facilitated by the…

Q: On a muscle twitch recording, label the latent period, period of contraction, and period of…

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

Q: Identify the major events that occur during skeletal musclefiber contraction.

A: The skeleton is composed of bones, cartilages, tendons, and ligaments. The body movement is…

Q: Hill's equation gives a relation between muscle contraction rates νν and muscle tension TT…

A: We have to rewrite the equation in a form to show that T is dependent on v including T0, alpha and…

Q: Describe the sequence of events by which an action potential in a motor neuron produces an action…

A: Tendons attach skeletal muscles to the bone. Numerous bundles which make up the skeletal muscle are…

Q: Trace the action potential from the neuron through the muscle fibers and the key structural…

A: The interaction between thick and thin filaments in the muscle fibre are responsible for the muscle…

Q: Explain in detail how the of relaxion towards Smooth muscle contraction is done by the antagonsists…

A: Body organs move mechanically thanks to the process of muscular relaxation and contraction. The…

Q: Describe the effect of adding salts then ATP, ATP and then salts, and addition of ATP and salts…

A: Glycerianted muscle is the muscle in which calcium ion is not required of its contraction  The…

Q: What conditions will produce the maximum tension in a skeletal muscle fiber?

A: Muscles are required in breathing, talking, running, walking, and any body movements. Actin and…

Q: Describe the structure of the sarcomere and explain how it enables muscle contraction according to…

A: Answer- The sarcomere is the functional unit of the muscle and it has the central role in the muscle…

Q: Briefly discuss the abundance of sarcoplasmic reticulum in skeletal muscle in relation to its…

A: The sarcoplasmic reticulum is the major intracellular organelle for controlling the cytosolic…

Q: During increases in the force of skeletal-muscle contraction, what is the order of recruitment of…

A: Muscle contraction is done when activation of muscle fiber takes place due to the activation of…

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: Describe the structural features of a neuromuscular junction andthe role of acetylcholine in…

A: Introduction  Complex organisms such as Multicellular organisms needs control and coordination…

Q: List the factors responsible for skeletal muscle fatigue?

A: Muscle fatigue refers to a decrease in muscle strength produced during continuous periods of…

Q: List the three typical stages of a muscle twitch, as seen in amyogram.

A: Myogram is a graphic representation of the phenomena of muscular contractions.

Q: Describe the location, structure, and function of the sarcoplasmicreticulum in skeletal muscle…

A: Muscles are required in breathing, talking, running, walking, and for any body movements. Actin and…

Q: The motor unit firing patterns are measured in a human hand muscle using an electromyography (EMG)…

A: The EMG pattern observed as the individual voluntarily attempts to make a low-level force of…

Q: List four causes of muscle fatigue.

A: Muscle fatigue makes the muscles harder to move.

Q: What are the Regulatory Molecules that mediate exercise-induced changes in muscle?

A: Muscle is soft tissue and consists of protein filaments of myosin and actin. These filaments slide…

Q: Describe the functions of skeletal muscle proteins.

A: skeletal muscle have different type of protein such as myosin ,actin, tropomyosin and troponin. 1)…

Q: List the energy sources for muscle fiber contraction.

A: The contraction of the muscles can be explained by the sliding filament theory or formation of the…

Q: If a single twitch of a skeletal muscle fiber lasts 40 msec, what action potential stimulation…

A: In human physiology, skeletal muscle is defined as the vital organ of muscular system which is also…

Q: A (low or high frequency) of action potentials results in the fusion of muscle twitches to produce…

A: A muscle twitch is defined as the involuntary contraction of the muscle fibers. Muscle fibers are…

Q: name the major proteins of a muscle fiber and state thefunction of each

A: Tendons attach skeletal muscles to the bone. Numerous bundles which make up the skeletal muscle are…

Q: Explain how optimal skeletal muscle force (high muscle tension) can be achieved during a high…

A: Skeletal muscle is one of the major muscles in the body which is regulated by somatic nervous…

Q: List the major events of muscle fiber contraction and relaxation.

A: Muscle fibers are the unique contractile cells within a muscle. A single muscle such as the biceps…

Q: List the four primary signal transduction pathways in skeletal muscle.

A: Signal transduction is defined as the ability of a cell to change behaviour in response to a…

Q: Describe some cause(s) of muscle fatigue and define this term clearly.

A: Animal physiology is the systematic study of the supporting features, roles, and processes of…

Q: If the muscle fiber is stretched to 150% of muscle length and thentechnically stimulated, what would…

A: Muscle contraction is shorting of length of muscle which  lead to locomotion and movement. Most…

Q: List the factors responsible for skeletal muscle fatigue?

A: Muscle fatigue Decline in muscle force generated over sustained periods of activity or due to…

Q: Describe in details the biochemical and mechanochemical series of events that enables motor neurons…

A: Muscle contraction means activation of tension-generating sites within our muscle cells and the…

Q: Describe the physical state of muscle fiber in rigor mortis and the conditions that produce this…

A: According to the question, we have to mention the physical state of muscle fiber in rigor mortis and…