Acetylcholine molecules are actively transported from the axon to their receptors on the muscle membrane by special transport proteins.

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

A:

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: Given these events:(1) Acetylcholine is broken down into acetic acid and choline.(2) Acetylcholine…

A: Neurotransmitters are chemicals secreted by neurons that carry information from one neuron to the…

Q: What ion and ion channels does a muscle cell have?

A: A specialized tissue that originates from the mesodermal layer and helps in the locomotion of an…

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: Discuss the similarities and differences by which Ca2+ activity is involved in initiating muscle…

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

Q: The endplate potential decreases with distance because

A: The end plate potential is a potential that propagates to the neighbouring patch of muscle fibre…

Q: Neurons controlling skeletal muscle contraction are which type? Multipolar motor neurons Bipolar…

A: The neurons are classified into different categories on the basis of certain features. They can be…

Q: Could you think of two conditions that can disrupt muscle contraction and results in paralysis?…

A: Introduction: The muscle contraction occurs in the below-mentioned steps: The muscle contraction…

Q: Acetylcholine is necessary for the depolarization of skeletal muscle cells. Which of the following…

A: * Acetylcholine is an chemical that functions in brain and body as  neurotransmitter.  *It is an…

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: Curare is a dangerous poison extract from plants that can block the binding site of Acetylcholine…

A: The conditions which likely to diminish or completely prevent tension production are 1. Reduced…

Q: Why is it important to remove acetylcholine from its binding to acetylcholine receptor once neural…

A: Acetylcholine : It is an organic chemical which functions in the brain and body of many types of…

Q: Put the following statments describing the skeletal muscle contraction pathway in the correct order:…

A: The signal for the muscle contraction is sent to the motor neuron from the brain or the spinal cord.…

Q: Explain the specific role of acetylcholine (ACh) instimulating a muscle fiber to contract.

A: Acetylcholine (ACh) is a neurotransmitter that is secreted by the nerve terminals into the synapse.…

Q: If a muscle cell’s sarcoplasmic reticulum had little to no Ca2+, could the muscle cell still produce…

A: Ca2+ ions play an important role in muscle contraction by creating interactions between 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: Contrast antagonistic control and tonic control of smooth muscles. Why are different receptor types…

A: Homeostatic mechanism controls the pressure by which the blood is pumped around the body. Body…

Q: Predict the consequence if presynaptic action potentials in an axonrelease insufficient…

A: Acetylcholine is an organic chemical that functions in the brain and body of many types of animals…

Q: Describe the structures and functions of actin-based motor proteins, myosins.

A: Motor proteins are a class of proteins that are capable of converting chemical energy (usually from…

Q: If ligand-gated K+ channels were to open in an unstimulated muscle fiber,how would this affect the…

A: The ligand-gated channels are those channels that open in response to the ligand which could be…

Q: How can a number of smooth muscle cells be influenced by neurotransmitters from a single neuron?

A: Chemical messengers in the body are known as neurotransmitters. It is their responsibility to send…

Q: These agents affect rate of contraction

A: Introduction: The nervous system is organized into the peripheral nervous system (PNS) as well as…

Q: The binding of myostatin to its corresponding receptor on the plasma membrane of cells leads to…

A: The body is made up of large amount of muscles. These muscles are responsible for generating heat…

Q: During synaptic transmission, neurotransmitters help to open gates on the postsynaptic skeletal…

A: Excitation in pre-synaptic membrane => opening of calcium ion VGIC (voltage gated ion…

Q: If acetylcholinesterase fails to function properly at the neuromuscular junction, which of the…

A: The neurons are specialised cells of the human nervous system. The neurons of the nervous system…

Q: Identify the significance of the following molecules/substances in muscle contraction.…

A: Introduction: The motor nerve cells send signals to muscle fibers at the neuromuscular junction. It…

Q: Which of the following statements regarding the motor end plate in the somatic motor division of the…

A: The preganglionic nerve fibres synapse with the post synaptic membrane of the muscle sarcomere at…

Q: Put the following events in chronological order. (Some of the steps may be missing.) 1) Ca*+ floods…

A: Synapse is a meeting point in which one neuron is in contact with other neuron so that messages are…

Q: When curare, a neuromuscular poison, is dropped onto an isolated muscle-nerve preparation in a…

A: A normal physiology of Neuromuscular junction:nAChR are the type of acetylcholine receptor located…

Q: re these True or False? Receptors on the post-synaptic cell membrane that bind the acetylcholine…

A: When two molecules of acetylcholine bind a nicotinic Acetylcholine receptor, a conformational change…

Q: otting the effect on smooth muscle ontraction below, the antagonist is most likely: Agonist Alone…

A: The diagram shown here is the dose response curve of acetylcholine and its inhibitors in the form…

Q: What ion and ion channels does a muscle cell have?

A: Muscle is a specialized tissue that arises from the mesodermal layer and aids in an organism's…

Q: Acetylcholinesterase is the enzyme that breaks down and inactivates acetylcholine. Some nerve gases…

A: Nerve gas binds to acetylcholinesterase enzyme but only at 1 site. Nerve gas has a phosphorus group…

Q: hen an action potential arrives at the nerve terminal of a neuromuscular junction, which of the…

A: An action potential is a brief electrical signal that travels along the membrane of a neuron or…

Q: Describe the effect of the botulinum toxin, which inhibits the release of acetylcholine at the…

A: Botulinum toxin is also known as the miracle poison. It is defined as a neurotoxin formed by the…

Q: Define what the NMJ is and why it's important for muscle contraction. Explain in short the process…

A: Muscle contraction refers to the activation of muscle fibers that results in the generation of…

Q: List and describe the events that take place (and the structuresinvolved) between excitation of the…

A: Skeletal muscles require stimulus from motor neurons for contraction.

Q: In muscles, acetylcholine is released by the _________________________and opens specific channels…

A: Answer : Motor  neuron , Sodium Ion

Q: Smooth muscle contraction is controlled by releasing neurotransmitters trom: Presynaptic cleft O…

A: Smooth muscle contraction is controlled by releasing neurotransmitters from:

Q: Discuss the similarities and differences by which Ca2+ activity is involved in initiating muscle…

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