How does the activity of tropomyosin and troponin in muscle contraction compare with the activity of a competitive inhibitor in enzyme action?

Q: Discuss the specific role of ATP in muscle contraction.

A: ATP is Adenosine triphosphate which is also referred as the cellular energy currency.

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: List the Functions of ATP in Skeletal Muscle Contraction?

A: Muscle is a bundle of fibrous tissue, which is present in many higher animal bodies. There are three…

Q: How is smooth muscle contraction similar to skeletal musclecontraction?

A: Smooth muscle fibers are generally found in the walls of various visceral organs except the heart,…

Q: The single-fiber twitch experiments shown here were generated by stimulating the muscle cell…

A: When a muscle is triggered by a single vibration, an action potential is generated that causes the…

Q: What is the function of myosin light-chain kinase in smooth muscle?

A: The muscular framework is an organ framework comprising of skeletal, smooth and heart muscles. It…

Q: Why do muscle cells use creatine phosphate insteadof glycolysis to supply ATP for the first few…

A: ATP or adenosine triphosphate provides the energy for muscle contraction.For ATP regeneration, three…

Q: How is the contraction of smooth muscle regulated?

A: Muscle is the bundle of soft tissues present in the human body. Muscle attachment with the bony…

Q: When does anaerobic metabolism occur in skeletal muscleand what are the effects of this?

A: Anaerobic metabolism can be defined as the process in which the production of adenosine triphosphate…

Q: What fuel molecules are metabolized to produce ATP duringskeletal muscle activity?

A: Four major types of tissues in human body are – muscle, nervous, epithelial and connective. Three…

Q: What event causes a troponin-tropomyosin complex to regain its original shape in muscle relaxation?…

A: Muscle contraction is the activation and formation of tension sites with muscle fibres, while muscle…

Q: What is the difference between G-actin and F-actin?

A:

Q: Explain the role of calcium and ATP in muscle contraction ?

A: When a muscle cell is relaxed, the concentration of calcium ions is a smaller amount within the…

Q: What are the two neurotransmitters involved in excitation and inhibitation of muscles?

A: A neurotransmitter is a chemical signal that transports, amplifies, and balances signals between…

Q: How does speed of muscle action affect the following relationships; force-velocity and force-power?

A: Muscle action : There are three types of muscle contractions i.e. concentric, isometric and…

Q: Calcium ions are responsible for unmasking of active site on which protein for cross bridge activity…

A: The muscle fibers contain sarcomeres that are the structural units responsible for muscle…

Q: Based on various types of muscle fibres, what factor(s) determines the speed and duration of a…

A: Muscle contains muscle fiber cells which are specialized for contraction. Based on location,…

Q: Diagram the arrangement of thick and thin filaments in a striated-muscle sarcomere, and label the…

A: While muscle contracts the I (isotropic) band  and H band shortens .Tge length of each sarcomere of…

Q: How does phosphocreatineact in the muscle contractionand relaxation?

A: Introduction  Locomotion is the key to animals as they are motile and can move from one place to…

Q: What are the three sources of ATP produced during muscle contraction?

A: Muscle contraction is the response of muscle towards nerve impulse. When stimulus is received,…

Q: What is the main role of the sarcoplasmic reticulum in muscle contraction? produce calcium store…

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

Q: How can myosin convert the chemical energy released by ATP hydrolysis into mechanical work?

A: The beginning of the muscle contraction includes the release of calcium ions from the sarcoplasmic…

Q: NAME THE CHEMICAL TRANSMISSION AND THE NERVOUS SYSTEM BETWEEN A MOTOR NEURONE AND A SKELETAL MUSCLE.…

A: Answer: Introduction: Most skeletal muscle is connected to bone and its contraction it has role in…

Q: What is the sliding filament theory? How do components of the sarcomere change during a muscle…

A: Muscle is a form of contractile tissue that is arranged into systems in order to maximize…

Q: Why calcium is important in skeletal muscle contraction?

A: All muscle filaments use Calcium ion (Ca2+) as their fundamental regulatory and signalling molecule.…

Q: What event causes a troponin-tropomyosin complex to regain its original shape in muscle relaxation?…

A: Muscle contraction is the action of activation and generation of tension sites with muscle fibers…

Q: Describe the Neural excitation of the muscle and Describe how a signal arriving at the axon terminal…

A: Neurons are the basic unit of the nervous system that carry electrical stimuli throughout the body.…

Q: Explain the elation between muscles,ATP energy, and the calcium ion.

A: Muscle is a form of tissue that allows the movement or support to the body of organisms.It contains…

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…

Q: Why does repeated stimulation of the muscle (at maximum stimulus) before it has completely recovered…

A: Muscle contraction is the phenomenon of decreasing in size or shortening or compacting the muscle…

Q: What is the effect of acetylcholine on skeletal muscle cells? Osalivary secretion food digestion…

A: Acetylcholine (ACh) isan organic chemical that functions in the brain and body of many types of…

Q: How does myosin convert the chemical energy released by ATP hydrolysis into mechanical work?

A: Muscles are structures capable of changing their length in response to a stimulus.

Q: what the Source of energy of actin, myosin and type II muscle fibers?

A: Actin and myosin are two types of proteins that form contractile filaments in muscle cells. Type II…

Q: How does the addition of GABA affect the action potential of muscles cells?

A: When the information is sent down from the cell body to the axon, then the action potential occurs.…

Q: How long can oxidative catabolism fuel muscle activity?

A: Skeletal muscle, Smooth muscle, and Cardiac muscle are the three types of primary muscles.…

Q: How do actin and myosin interact in a sarcomere to bring about muscle contraction? What roles do ATP…

A: Muscle contraction is the contraction of contractile units of muscle fiber or sarcomere, in response…

Q: How would ine generate more muscle tension to pick up something heavy? Increase activation of motor…

A: The nervous system is one of the vital systems of a body. It is a system of nerves which carry…

Q: How is a muscle cell excited and why does it lead to a contraction in the muscle?

A: Excitation for Muscle Contraction:  ∙ Nerve impulse advances arrival of Neurotransmitter…

Q: Describe the effects of histamine and NO on smooth muscle activity.

A: Histamine is released in various tissues and maintains immune response, regulates physiological…

Q: What is the fastest manner in which skeletal muscle  cell produce ATP? Utilization of fatty acids…

A: In movement, organism moves body parts or parts whereas, in locomotion, an organism change its…

Q: What is the energy utilization involved in causing a muscle to contract ?

A: Muscle contraction occurs when the actin and myosin filaments slide past each other. This process is…

Q: How do muscles convert the chemical energy of ATP into force and movement during a contraction?

A: Muscles are the organs that can change their length to cause movement of the body and body parts.

Q: How do muscles respond to exercise and atrophy?

A: When a person exercises systems like- The cardiovascular, The respiratory, and muscular systems all…

Q: How does the myosin reaction cycle apply to muscle contraction?

A: Muscle contraction occurs when tension-generating regions inside muscle cells are activated.…