Depolarization phase      --Click to select--   Chemically-gated potassium channels   Chemically-gated sodium channels   Voltage-gated potassium channels   Voltage-gated sodium channels     Repolarization phase      --Click to select--   Voltage-gated potassium channels   Voltage-gated sodium channels   Chemically-gated sodium channels   Chemically-gated potassium channels     Hyperpolarization phase      --Click to select--   Voltage-gated sodium channels   Chemically-gated potassium channels   Voltage-gated potassium channels   Chemically-gated sodium channels

Q: After an action potential, the opening of voltage-gated ________ channels and the inactivation of…

A: Action potential When nerve cell respond to a stimulus, it generates electric impulse which travel…

Q: The diagram below shows some of the events that occur at a synapse after the arrival of an impulse…

A: Specialized cells in the brain called neurons transmit an action potential from one neuron to…

Q: The sodium-potassium pump maintains membrane potential by pumping ions against their concentration…

A: The sodium potassium pump, also known as the Na+/K+ pump or Na+/K+ ATPase, is a protein pump found…

Q: Using the figure on the left, what are the corresponding terms that describe the numbered stages of…

A:

Q: voltmeter microelectrode electrode Giant squid axon A voltmeter was used to measure the potential…

A: Neurons or the nerve cells are the fundamental unit of the central nervous system(CNS). It plays a…

Q: At resting membrane potential for a typical neuron (-70 mV), which ion does NOT move? Na+ Ca2+ K+…

A: A resting (non-signaling) neuron has a voltage called the resting membrane potential, or simply the…

Q: Which of the following combinations of spatial summation of postsynaptic potentials (PSP) would…

A: The graded potential achieved by dendrites of a neuron while receiving synapses from other cells is…

Q: Using the figure of an action potential provided, place the following main steps in the generation…

A: Nerve impulse refers to an electrical or chemical signal that is transmitted along in a fibre. The…

Q: An action potential is shown below. Number 4 on the graph is showing which phase? 3 Membrane…

A: Action potential is a brief reversal of membrane potential where the membrane potential changes from…

Q: Depolarization of membrane to threshold potential [ [ Choose ] up to threshold potential at the…

A: Note - we are supposed to answer 3 subpart according to our guidelines.  So repost the other…

Q: There are several neurons forming synapses on a single post-synaptic neuron that has a resting…

A: Resting membrane potential is the potential difference across the membrane of a neuron, i.e., the…

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: Which of the following statements about voltage gated channels is true? Voltage-gated…

A: The action potential generates when a rapid rise and a subsequent fall in membrane potential occurs…

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: 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: An action potential at a given stretch of a neuron's axon does not re-stimulate the neighboring…

A: Action potential It is defined as the rapid rise and subsequent fall in membrane potential across a…

Q: If sodium and potassium ions are both positively charged, what causes the negative membrane…

A: Resting membrane potential is defined as the difference in the electric potential across the plasma…

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: Consider the neuron below, which has a membrane resting potential of -70mV, membrane space constant…

A:

Q: You find a neuron whose resting potential is -90mV. Which of the following are likely to be true?

A: Neurons are structural and functional units of the nervous system. They are originated from…

Q: During an action potential _______    A. Na+ flows out of cell and causes depolarization  B. K+…

A: A characteristic pattern of rapid rise and subsequent fall in voltage or membrane potential across a…

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: Differentiate between ligand - gated and voltage-gated channels.

A: The transportation of molecules across the plasma membrane is carried out with the help of…

Q: Show a complete circuit diagram of the model of the neuron using the specific numerical values for…

A: Electrical gradient and concentration gradient required at many places in the body for proceed many…

Q: Given the steps shown below, which of the following is the correct sequence for transmission at a…

A: Synaptic transmission is the process by which a signal travels through neurons. It involves the…

Q: With respect to the three structural types of neurons (unipolar, bipolar & multipolar): State which…

A: The neurons are basic working units of the brain. They are specialized cells within the nervous…

Q: Select the correct term or phrase from the drop- down for each blank to complete the correct…

A: Generation of now impulse in naap fibres depends on distribution of sodium and potassium in and out…

Q: Which of these ions is actively transported through the cell membrane to re-establish a resting…

A: Resting phase  The potential difference(a charge) across the membrane at rest is called the resting…

Q: temporal summation spatial summation Unidirectional and non-degrading Action potential o…

A: We are answering forts 3 parts For rest of questions pls repost.     The process of summation, which…

Q: Action potentials at a chemical synapse travel from presynaptic terminal to postsynaptic membrane.…

A: Chemical synapses are connections between two neurons. There is a 0.02 μ gap between the presynaptic…

Q: Early in an action potential, the inside of the axon becomes less negatively charged relative to the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What terms denotes a sudden change (depolarization and repolarization) in the electrical properties…

A: 1) Neurons generate and conduct these signals and transmit them to the target tissues. On…

Q: Name 3 ways in which ion channels are controlled aka "gated."

A: Ion channels are pore-framing layer proteins that permit particles to go through the channel pore.…

Q: Which of the following statements is correct with regard to ionic concentrations at the normal…

A: Resting potential is the stage when a neuron is not actively signaled. A neuron that is at resting…

Q: Which ion channel is open at phase K? M N K - -55 -70 Time Voltage-gated ion channel specific to…

A: The graph represents the phases of action potential . Action potential is the change in the membrane…

Q: Blocking KCa2 (SK) channels will typically ________ a neuron's firing rate Increase…

A: SK (KCa2) channels are the calcium activated potassium channels. In other words SK channels can be…

Q: In a resting neuron, there are more ions inside the cell and more ions outside the cell. sodium;…

A: Introduction :- The voltage across a cell membrane during the resting stage is known as the resting…

Q: Binding of neurotransmitter to the motor end plate leads to depolarization because the…

A: Events  that occur at neuromuscular junction that results in muscle contraction are :  Action…

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: Electrical current can flow directly from one neuron into other across this type of synapse due to…

A: The neurons are the components of the nervous system that help in the transmission of signals from…

Q: hyperpolarization                                                  repolarization…

A: Correct answer for the above questions is:- 1) C. 2) A. 3) B.

Q: Which of the following describes temporal summation? Two pre-synaptic cells send alternating signals…

A: Neurons are also known as nerve cell and it is considered as the fundamental units of the brain and…

Q: The following graph shows that if a neuron is depolarized briefly and then hyperpolarized slightly,…

A: In nerve cells, Na+ is important for generation of the action potential. As the Na+ current is…

Q: The axon hillock of a neuron reaches the threshold of excitation and the membrane potential becomes…

A: Potential for action is a fast reversal of membrane potential in which the membrane potential shifts…

Q: Action potentials in heart muscle cells have a prolonged plateau phase caused by ______through…

A: The heart muscle cells has 5 phases in their cardiac action potential ; namely phase 0 , 1 , 2 , 3 ,…

Q: Describe the ion concentration gradients across the plasmamembrane of a neuron at resting potential.

A: Introduction Nerves play a vital role in the conduction of signals from CNS to various other organs,…

Q: My question is how can spatial summation of synaptic potentials make it easier for a neuron to reach…

A: Synapse generally permits the conduction of impulses in one-way that can be from pre-synaptic to…

Q: Which of the following phases of an action potential is correctly matched with the changes in ion…

A:

Q: Calculate: The equilibrium potential for potassium at room temp

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.