Describe depolarizing of graded potential? Explain with an example?

Q: Explain what is meant by summation of graded potentials, and explain how summation may lead to an…

A: The “fundamental unit” of the nervous system is the neurons or nerve cells. These electrically…

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: What is a depolarizing graded potential?

A: In depolarization, certain physiological changes happen inside the cell, during which, a shifting of…

Q: Which of these is a commonly studied type of event-related potential?

A: Event related potential s (ERPs) are electrical impulses generated by the nervous system in response…

Q: List four ways in which an action potential is different from a local potential.

A: SOME BASIC INFORMATION ABOUT A NEURON  NEURON   It is the longest cell inside the human body. It is…

Q: . “Facilitation in a neuronal pool” refers to .

A: "Facilitation in a neuronal pool" refers to when the neurons of the neuronal pool are more excitable…

Q: Define the terms Myelinization and saltatory conduction of action potentials?

A: Myelination and salutatory conduction have a strong effect on the action potential. It is studied…

Q: Describe the following terms: specificity, stimulus, receptor potential, synapse, neurotransmitter,…

A: Specificity indicates what percentage of those who do not have the condition have a negative result…

Q: Suppose you placed an isolated neuron in a solution similar toextracellular fluid and later…

A: A neuron's resting membrane potential is around -70 mV (mV = millivolt)thismeans the neuron's inside…

Q: What is equilibrium potential? Explain with an example?

A: Equilibrium potential is the state of the cell when there is no charge difference inside and outside…

Q: Describe how an Action Potential is conducted.

A: The body has a network of conductive cells known as neurons. The neurons are connected end to end,…

Q: Compare graded potentials and action potentials.

A: A graded potential is the nearby pace of progress of the potential concerning relocation, for…

Q: The potential difference that must be met in order for an action potential to be generated When the…

A: Action potential An action potential is defined as an electric impulse that travels down through a…

Q: Explain the all-or-none law of action potentials, and describe the effect of increased stimulus…

A: In reaction to stimuli, the axon membrane permeability to and depends on the opening of gated…

Q: Explain summation of EPSPs and IPSPs and the relationship to the initiation of an action potential.

A: The neuromuscular junctions exert stronger effects than the postsynaptic effects generated due to…

Q: Describe the sequence of activation of ion channels leading to action potential propagation.

A: The action potential is produced in a nerve or muscle when it is stimulated. It is the method of…

Q: Describe the characteristics of action potentials and explain how they are conducted by unmyelinated…

A: The minimum electrical potential required to do a muscle contraction or any action is called action…

Q: What is Graded Potentials?

A: A transitory, propagating, fast and sudden change occurring in the resting membrane potential of a…

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

A: The creation of a cerebrum signal : • dendrites: get signals from adjoining neurons (like a radio…

Q: Each of the following is a correct relationship between action potential phase and channel status…

A: BASIC INFORMATION NEURON   It is the longest cell inside the human body  It is found in the brain…

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: What is a graded potential, and what four events cancause it? Define decremental conduction of…

A: The neuron is the structural and functional unit of the nervous system. The neuron is also known as…

Q: What happens when a graded potential occurs?

A: Graded potential is produced when a ligand opens a ligand gated channel in a dendrite allowing ions…

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 events tha

A: The nerve cell or neuron is the primary unit of communication of the nervous system. These cells…

Q: Describe the changes that occur during the depolarizationand repolarization phases of an action…

A: Muscle cells and nerve cells are electrically excitable. Nerve cells transmit sensory and motor…

Q: How are Depolarization and graded potential caused?

A: Depolarization is also known as Hypopolarization. Depolarization results in a change in the electric…

Q: Describe the four stages of an action potential in what is happening in each stage

A: The nerve impulse is changed in membrane voltage. Normally all the cells have a change in the…

Q: Give examples of graded potential, resting potential and action potential  seen in neurons.

A: Neurons are nerve cells that functions as the basic working unit of brain. They can carry…

Q: Explain Role of Na+ in the generation of action potential.

A: Ions are a charged atom or molecules. The unequal distribution of positive and negative charge…

Q: Explain the steps that lead to the formation of an action potential.

A: The action potential is the state of excitability at which the membrane depolarizes and allows to…

Q: The most common neurotransmitter involved in the transmission of an action potential is

A: Neurotransmitters are chemical messengers. They carry chemical signals from one neuron to next…

Q: Describe the events of an action potential in terms of ions and gates or channels beginning with the…

A: ACTION POTENTIAL is electrical impulse required to bring about the response to a stimulus.  For the…

Q: How does an action potential differ from a local potential?How do depolarizing and hyperpolarizing…

A: Nerve cells conduct electrical impulses to bring out a certain biochemical reaction. When a sudden…

Q: Briefly explain how a neuron at resting potential becomes activated.

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

Q: Define refractory period, and explain the difference between the absolute refractory period and…

A: Action potential of a nerve fibre is the active state of transmission of nerve signal from one…

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

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

Q: What degree of action potential in which the membrane potential moves from its maximum degree of…

A: Repolarization is the degree of action potential in which the membrane potential moves from its…

Q: Define the term inhibitory postsynaptic potential IPSP?

A: Post-synaptic potential: It is the change in the potential of the postsynaptic membrane as a result…

Q: As the membrane reaches the peak of the action potential, what brings the membrane down to the…

A: When the resting neuron receives a stimulus that is beyond the threshold, It reaches the peak of…

Q: Define the following terms: a. Resting membrane potential b. Graded membrane potential c. Action…

A: The nervous system is a complex system of nerves and specialized cells known as neurons. Neurons are…

Q: Which of the statements below describe a situation in which the change in membrane potential above…

A: Membrane action potential changes results in firing of action potential.

Q: Why there is a refractory period in the action potential?

A: Action potential occurs in a cell due to the rapid rise and fall of the membrane potential of the…

Plant sensory system

The plant sensory system is a sophisticated system that responds to environmental stimuli such as light,temperature, gravity, and touch. Research predicts that plant hormones and signaling mechanisms areresponsible for this regulation system in plants.