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Q: Predict the effect of excess calcium ions in the extracellular fluid on a smooth muscle…

A: Muscle contraction is the result of the interaction between these two proteins, actin (spherical)…

Q: how are nucleotides and nucleic acids used by muscle cells?

A: Hi, Thanks For Your Question.  Answer : Nucleic Acids Are The Molecules That Store An Organism's…

Q: Define the term Twitch Contractions?

A: A twitch is often described as a period of muscle contraction and relaxation in a muscle in response…

Q: Distinguish among a twitch, recruitment, and a sustained contraction.

A: Muscle contraction is defined as an increase in muscle tension or a decrease in muscle length. It is…

Q: Calcium plays a crucial role in the contraction of skeletal muscles. i. Where is calcium stored…

A: The sliding filament theory was proposed as an explanation for muscle contraction. It is based on…

Q: Which modifications in the muscular system are associated with bipedal locomotion?

A: Bipedalism is the ability of an organism to walk upright on its two legs. Humans developed bipedal…

Q: What is the first and most direct energy source for muscle con￾traction? a. glucose b. ATP c.…

A: Answer- The muscle contraction is the crutial step in the movement and locomotion.

Q: Which statement best summarizes why muscles often work in pairs

A: A tissue that is soft and is found in most of the animal’s skeletal system is known as muscle.…

Q: What are Twitch Contractions?

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

Q: Describe how a nerve impulse initiates muscle contraction

A: The electrical signal that initiates muscular contraction is known as an action potential in a…

Q: How is electrical excitation of a skeletal muscle fiber coupled to muscle contraction? Speculate…

A: Acetylcholine is released by motor neurons which binds to receptors in the motor endplate. A neural…

Q: Compare and contrast the three types of contractions.?

A: When a muscle experiences variations in tension and its length, it is experiencing a contraction.…

Q: Predict how skeletal muscle contraction would beaffected by changes in electrical activity in motor…

A: Introduction: At the neuromuscular junction, the motor neuron sends signals to muscle fibers. It…

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

A: Muscle consists of muscle fibres/cells , made up of myofibrils containing myofilaments , actin and…

Q: What chemicals are needed to perform a muscle contraction?

A: Muscle contraction refers to the activation of tension-producing sites inside a muscle cell. It does…

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 is the muscle function when energy dissipates through the production of heat? O a.…

A: The muscular system is the system that is responsible for bringing movements in the body. The…

Q: Which are the three types of contractions?

A: The force that a muscle exerts on another object, like a bone, is described as muscle tension.…

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: How does pre-contraction muscle length affect the strength of contraction?

A: Muscle is a contractile tissue that is responsible for the movement of bones and other tissues. It…

Q: Which cell type helps to repair injured muscle fibers?a. ganglion cellsb. myotube cellsc. myoblast…

A: Muscle fibers, or muscle cells, are formed when the developmental myoblasts fuses together, this…

Q: Sketch a sarcomere, and describe the function of the major proteins involved in muscle contraction.

A:

Q: During which phase of a twitch in a muscle fiber istension the greatest?a. resting phaseb.…

A: The phenomenon of lifting or moving an object (load) involves the sarcomeres present in the muscle…

Q: As a sprinter, Lateesha knew that the best way to treat pulled muscles was through “RICE” (see…

A: Pulled muscles occur because of overstretching of muscle. This can be the result of fatigue,…

Q: In two sentences describe one difference between a skeletal muscle cell and a cardiac muscle cell?…

A: "Muscles" perform various functions as movement, which is the fundamental purpose of muscles is to…

Q: e events involved from the time a motor neuron fires an action potential to the time when the muscle…

A: Neurons are the nervous system's basic functional unit. They play a role in neurotransmitter…

Q: Can you sum up the steps in each phase of muscle contraction and make it simpler?

A: Each of the muscle fibers are made up of small fibers called as myofibrils. These myofibrils are…

Q: How are ion channels affected by receptors that stimulatesmooth muscle contractions? That inhibit…

A: Due to change in membrane potential muscle contraction occur.

Q: Identtidy which among the list represents the hierarchy of muscle structure from the largest unit to…

A: Muscles are connected to bones by means of tendons. They contract to produce movement and thus help…

Q: In a essay describe in details response by a skeletal muscle and examples.

A: The body's muscular system, which comprises skeletal, smooth and cardiac muscles, allows body…

Q: What happens to smooth muscle when the circular layer contracts?

A: The muscular system is one of the 11 major body organ systems of the body that aids in the…

Q: Where is ATP's energy used during crossbridge cycling? A. When ATP attaches to myosin and causes…

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

Q: Describe how you bend your arm, starting with action potentials and ending with the contraction of a…

A: The bending of the arm is controlled by the action potential that generates and travels along the…

Q: How would muscle contractions be affected if ATP wascompletely depleted in a muscle fiber?

A: Myofibril is also referred to as muscle fibril. They are the rod-like constitutions of the muscle…

Q: What will happen in a muscle cell that has used up its supply of oxygen and ATP when you are…

A: Introduction :  In both humans and animals, muscle is a soft tissue. Actin and myosin protein…

Q: What can you conclude about normal muscle contraction?

A: Muscle is a soft tissue that is found in most animals. Muscle cells contain protein filaments of…

Q: What happens when myosin filaments hydrolyze ATP molecules in muscles?    a. Actin–myosin complexes…

A: The specialised cytoplasm of a muscle fiber is called sarcoplasm which contain fine thread like…