Suppose you stimulate an axon so that you generate an actionpotential at both ends at the same instant. Describe thepropagation of these action potentials. What happens when theymeet?

Q: Describe the propagation of an action potential. Contrast this eventin myelinated and unmyelinated…

A: An action potential is produced in the body of the neuron and spread through its axon.  The action…

Q: Assume the membrane is only permeable to Na+ and K+, the electrical model of axon membrane is the…

A: A membrane potential is the electrical potential difference across a cell membrane. It is determined…

Q: How do the structural and chemical propertiesof the synapse ensure that communication proceeds in a…

A: Neurons can be described as the brain cells that can be excited electrically to transmit information…

Q: Explain why a single action potential reaching a synapse is unlikely to trigger an action potential…

A: A rapid or large changes in membrane potential of nerve cells during which the potential actually…

Q: Photoreceptor cells form glutamatergic synapses onto bipolar cells and when photoreceptor cells are…

A: When photoreceptor cells are illuminated, they hyperpolarize due to the closure of cation channels.…

Q: Given that a neuron's action potential moved at a speed of 105 m/sec, would you expect this neuron…

A: Neuron is the nerve cell present in the nervous system. It transmits the impulse from brain to body…

Q: Describe saltatory conduction of an action potential

A: Action potentials are typically electrical signals, which serves to transmit a signal or message…

Q: Let’s say the synapses of a neuron’s dendrites are filled with glutamate-gated channels which, when…

A: EPSP refers to the excitatory postsynaptic potential which is generated as a result of the…

Q: Describe the steps including the roll of ion terminals in a neuronal action potential

A: An action potential is created when the voltage difference between the inside and outside of a…

Q: A new drug opens calcium ion channels in the membrane of the postsynaptic neuron. Would this produce…

A: There are many different types of cells in the body which form various organs and organ systems. For…

Q: Tetrodotoxin is a poison that prevents voltage-gated channels from opening. Would this toxin prevent…

A: Tetrodotoxin is a potential neurotoxin which is extremely poisonous and can be found in the liver…

Q: Predatory cone snails are beautiful (picture below), but deadly - they release a cocktail of toxins…

A: The neurons have the capability of generation of action potential and also transferred this action…

Q: Describe in words the sequence of events that occurs at an excitatory chemical synapse when an…

A: An excitatory synapse is one in which a presynaptic neuron's action potential increases the…

Q: What does summation mean when we talk of postsynaptic potentials? When is summation non-linear?

A: Introduction  Postsynaptic potentials are those that usually occur as a result of alterations near…

Q: Why does neuronal function require the voltage-gated K+ channels to open more slowly than the…

A: Voltage-gated channels are specialized proteins that are essential for the generation and…

Q: Explain why the strength of an action potential doesn’t decrease as it travels down an axon.

A: Action potential involves a transient change in the potential of a neuronal membrane that is caused…

Q: If an excitatory neurotransmitter binds to the post-synaptic neuron, what type of an event will that…

A:

Q: f the absolute refractory period of a neuron is 0.7 milliseconds, what is the maximum frequency of…

A: The trick used by the nervous system is that the intensity of the stimulus is encoded into the…

Q: If the plasma membrane of an electrically excitable cellwere depolarized to threshold in the center…

A: An action potential is defined as a swift increase that is followed by a drop in the voltage or…

Q: What is a typical value for an inhibitory post synaptic potential?  Why is it inhibitory?

A: An inhibitory post synaptic potential is a kind of synaptic potential that makes a postsynaptic…

Q: Describe in detail the three types of potentials seen in neurons

A: The human body contains few excitatory cells such as neurons, muscle fibers, and some endocrine…

Q: ou observe that a neuron treated with a metabolic inhibitor which prevents ATP generation still can…

A: Neurons are the basic unit of the nervous system. The lipid bilayer is selectively permeable and is…

Q: Immediately after the repolarization phase of an action potential, the neuronal membrane is…

A: The neurons are the specialized cells which make up the nervous system. These cells have a special…

Q: What are THREE major functional characteristics of the voltage-gate Na+-channels and how do these…

A: Voltage gated sodium Ion channels are integral membrane proteins, present in the cell membrane of…

Q: In Japan, the consumption of “Fugu” (a kind of sashimi sushi) is considered to be a “manly” act. The…

A: Fugu is a type of pufferfish that is considered a delicacy in Japan. It is typically served as…

Q: more channels may lead to an even larger depolarization, up to a point. Then the depolarization…

A: Normally the Nerve cell remains in resting stage untill it gets stimulus .Nerve cell regulates…

Q: Describe how following a threshold stimulus, a action potential is carried along an unmyelinated…

A: Myelination refers to the presence of a myelin sheath on the axons. Myelin sheath is composed of…

Q: Would anyone be able to explain these different channels? I would like an explanation as to why…

A: All ion channels are primarily located at their respective sites depending on their response to that…

Q: If neurons fire action potentials when membrane potential reaches -50mV, how would hyperkalemia…

A: Hyperkalemia is a medical condition where there is an excess of potassium ions (K+) in the…

Q: Ordinarily, a neuron’s trigger zone is activated before any other part ofan axon, so a wave of…

A: Nerve cells are electrically excitable cells that method and transmits information by electrical and…

Q: What is a typical value for an inhibitory post synaptic potential? Why is i inhibitory?

A: An inhibitory postsynaptic potential is a kind of synaptic potential that makes a postsynaptic…

Q: Describe the resting potential for neurons. How is this potential established? Describe the…

A: A neuron or a nerve cell is the structural and functional unit of the nervous system. They are…

Q: Describe the creation of an action potential and explainhow it is propagated.

A: An action potential is an immediate increase and subsequent fall in membrane potential across a…

Q: A loss-of-function mutation in the ion channel responsible for the generation of end-plate…

A: Introduction:- Mutation is defined as the heritable changes in the genetic material of an organism.…

Q: At which point in the graph do voltage-gated potassium channels open? (Base your answer to this…

A: The action potential refers to the sudden changes in the resting membrane potential of the neuron…

Q: Explain why action potentials propagate along an axononly in a single direction.

A: A rapid, quick, transitory, and propagating shift in the resting membrane potential is an action…