what happens to acetylcholine to stop muscle contraction? What happens to actin when calcium is gone?

Q: Are there any end to end muscle cells joined together?

A: muscles are cells which helps in movement and locomotion . they are of different types like…

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: 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: By what mechanism are skeletal muscles induced to relax?

A: Skeletal muscles are referred to as the muscles that are voluntary in control and associated with…

Q: What must occur for a muscle to relax?

A: Actin (spherical) and myosin (motor) are the major proteins in the muscles. Actin monomers aggregate…

Q: What are the steps and ions involved in muscle contractions ?

A: Muscle contraction can be defined as the activation of tension generated sites within muscle fibers.…

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: What are the three functional types of proteins found in a myofibril?

A: A muscle fiber is made of many Myofibril and myofibrils are made of many myofilaments. Myofibrils…

Q: What are the difference between actin and myosin.

A: Muscles are soft tissues present in most animals. They contain protein filaments called actin and…

Q: What happens if there’s an insufficient supply of ATP in muscle contraction?

A: The flow of Ca2+ ions towards the inside of the membrane leads to the release of acetylcholine at…

Q: If you add calcium to the bath around the earthworm smooth muscle, what would you expect will happen…

A: Introduction  Earthworms have smooth muscle in their body walls which helps them in movement and…

Q: Motor neurons release what type of neurotransmitter onto the motor end plate of skeletal muscles?…

A: Motor neurons of the spinal rope are essential for the central nervous system (CNS) and interface…

Q: What band in skeletal muscle gets narrower during a contraction?

A: Muscle is a soft tissue like structure which is primarily responsible for the movement in the body.…

Q: What happens to the I band and H zone as muscle contracts? Do the lengths of the thick and thin…

A: Numerous bundles which make up the skeletal muscle are called fascicles and each of these is…

Q: What two types of microfilament make up the muscle sarcomere?  Which motor protein is primarily…

A: Filaments are long, thin and flexible structures that can be found in various biological systems.…

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: What happens after action potentials are spread across the muscle cell into the T tubules?

A: Answer- The action potential is responsible for the muscle contraction in the body.

Q: In theory, could a muscle cell get away with having only acetylcholine-gated cation channels, which…

A: Voltage-gated ion channels are a crucial component of generating and propagating action potentials…

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: If you introduced a chemical into a muscle fiber that blocked the voltage-gated calcium channels in…

A: The muscles are the soft tissues found in the animals. They are made up of special types of…

Q: What are the function of muscle fibre?

A: Muscle is a widely occurring soft tissue in most animals. Muscle cells contain actin and myosin…

Q: Why does muscle strength decrease with aging?

A: The muscular framework is an organ framework comprising of skeletal, smooth and cardiovascular…

Q: What proteins are found in actin filaments?

A: In cell biology, cytoskeleton is a structural entity that provides shape to the cell and helps in…

Q: What is considered muscle tone in a skeletal muscle?

A: Skeletal muscles are one of the three major categories of muscle (the other two being the cardiac…

Q: What role does calcium have in muscle contraction?

A: The signal of muscle contraction initiates from the central nervous system. During the process of…

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: What ends the process of muscle contraction?

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

Q: After a vigorous exercise, you may experience cramps in your leg muscles. Why does this happen?

A: Exercise is any bodily activity that enhances or maintains physical fitness and overall health and…

Q: What is skeletal muscle?

A: Step 1 Muscle tissue is a tissue of mostly mesodermal origin where the cells, called myocytes, are…

Q: How does the timing of a stimulus impact the tension produced by the resulting muscle contraction?

A: Skeletal muscles contract and relax to mechanically move the body. Messages from the nervous system…

Q: Calcium is the trigger for contraction of all muscle types. How does its binding site differ in…

A: In the human body, there are three types of muscles, skeletal muscles, cardiac muscles, and smooth…

Q: What do you mean by myofibrils?

A: Muscle cells are also referred to as myocytes. These are the cells that made up the muscle tissue.…

Q: What is Whole-Muscle Contraction?

A: If the muscle pressure changes however the muscle length stays as before, a muscle contraction is…

Q: How are motor neurons involved in muscle contractions? Select all that apply. The release of calcium…

A: It is a neuron whose cell body is located in the motor cortex, brainstem or the spinal cord and…

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: What roles do actin and myosin play during muscle contraction?

A: The muscle fibre is a good example of the function of cytoskeleton protein, actin and actin binding…

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…