6.Describe a synapse and a neuromuscular junction.

Q: List five proteins of the myofilaments and describe their physical arrangement.?

A: Muscles are the soft tissue found in our body. Muscles work to create strength and movement. They…

Q: 4. What effect would pre-synaptic injection of the Ca²+ chelator BAPTA have on a nanodomain vs. a…

A: Nanodomains are small, localized regions of the cell membrane where specific molecular events occur.…

Q: 3 An electrode was placed on a neuron and the voltage across the membrane was measured as the neuron…

A: The neurons are the nerve impulse generating and transmitting cells in our nervous system which have…

Q: he resting potential of a neuron is characterized by: A. High potassium concentration outside the…

A: Action potential generates when the neurons want to pass the information along the body from its…

Q: 11- One of the following is not a structural feature of neuron. A. Dendrites B. Node of Ranvier C.…

A: Neurons are the structural and functional unit of nervous system. They are used to transmit impulse…

Q: 5- What is the effect of large amount of calcium entering the postsynaptic neuron during the high…

A: A sudden and fast change in the resting membrane potential (RMP) due to the excitation of the…

Q: Define temporal and spatial summation and how they influence an action potential.

A: The process of summing, which involves both spatial and temporal summation, decides whether or not…

Q: Where would it be most likely to find cell bodies of neurons in your own body? brain O thigh all of…

A: The cell body of a neuron consisting of the nucleus and the lysosomes. It is where synthesis of…

Q: Explain the difference between a graded potential and an action potential.

A: Cells communicate with each other via released proteins unique to each kind. Signal transduction…

Q: 6 As calcium is actively reabsorbed into the sarcoplasmic reticulum, its concentration at the…

A: Excitation–contraction coupling: It is a physiological process which involves the conversion of an…

Q: 14. The action potential in excitable cells is ‘activated’ when the cell membrane reaches the…

A: The action potential is a phenomenon of excitable cells such as nerve and muscle and consists of a…

Q: At a Neuromuscular junction the nerve impulse travels through the: A. Pores in the membrane B.…

A: Action potential generates when the neurons want to pass the information along the body from its…

Q: Na+K+ pump in maintaining the membrane potential of a cell.

A: The membrane is the potential represents that the balanced equilibrium potentials of the ions to…

Q: . List the events occur at the neuromuscular junction.

A: We can say that Every branch of motor nerve cells forms one junction with the muscle fiber. This…

Q: 4. The difference in charge between the outside and the inside of a neuron at rest is called: A.…

A: Introduction Membrane potential:- It is a potential gradient that forces ions to passively move in…

Q: how the sequential opening and closing of voltage-gated sodium and potassium channels leads to…

A: Answer: sequential opening and closing of voltage gated sodium potassium channels leads to…

Q: Describe the microscopic anatomy of a skeletal muscle cell and the functions of its organelles (e.g.…

A: The skeletal muscle contains connective tissue, blood vessels, and nerves. There are 3 layers of…

Q: List and the 3 main regions a neuron and the functions of each.

A: Introduction: Neurons also referred to as nerve cells, are the basic fundamental units of the…

Q: 12. Draw one labeled graph with two myograms: a single twitch contraction for a Type 1 fiber, and…

A: The skeletal muscle fibers can be differentiated primarily based on how speedy they can go through…

Q: 19. Which of the following structures would have the highest proportion of elastic fibers?   A.…

A: Elastic fibers make up the extracellular matrix macromolecules that make up the elastin core. This…

Q: Which neurotransmitter triggers a muscle contraction?

A: The chemical compound that work as messenger transmit message across the synapse from a nerve cell…

Q: 9. Compare and contrast electrical and chemical synapses.

A: The synapses are a fundamental component of the nervous system that helps in proper communication…

Q: Somatic motor neurons: 1) carry sensory signals to the CNS 2) stimulate cardiac muscle 3) are…

A: The motor neurons carry information from the brain or spinal cord and is involved in regulating…

Q: isotonic and isometric  contractions.

A: The particular organ system, which consists of several types of cardiac, skeletal, and smooth…

Q: 5. Define the terms equilibrium potential and resting potential? What cellular components are…

A: The neurons are the cells of the nervous system that are responsible for the production and…

Q: 8. What is the single most important piece of information in determining the response of a post-…

A: Neurotransmitters are the chemical messengers that are released from the axon terminal of one neuron…