“All-or-none” response in impulse conductionmeans that

Q: The junctions between one neuron and another neuron are called dendrite Oon O myelin sheath 3 oel…

A: Neurons/nerve cells are the structural and functional unit of the nervous system. A neuron consists…

Q: potential across a synapse is regulated). produce an effect by targeting a different part of the…

A: Nerve conduction across the synapse: • The first Neuron is called as pre-synaptic membrane while the…

Q: In axons, a negative inside membrane potential may be achieved by a difference in concentration of 2…

A: In axons, a negative inside membrane potential may be achieved by a difference in concentration of 2…

Q: A neuron receiving a large enough signal, a resting potential changes and produces electrical…

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

Q: So named beacause it acts under conscious control?

A: Conscious control means which is under the will or the control of the individual.

Q: true or false? When a stimulus is introduced at greater frequency but at the same intensity, action…

A: Temporal summation happens when a high frequency of action potential in the presynaptic neuron…

Q: red vs. white fiber

A: Red fiber- This type of fiber is also called the slow-twitch fiber and they store a high amount of…

Q: Which ion or ions are transported? This transporter requires ATP? (Y or N) This protein is…

A: Transportation of specific molecules or ions depends on their chemical properties and concentration…

Q: Why the refractory period sets a limit to how frequently a neuron can fire.

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

Q: Unmyelinated axons are found in both gray and white matter.

A: ANSWER) Gray matter mainly consists of unmyelinated axons whereas the areas of white matter only…

Q: Similarities and Difference among ion-channel coupled R, G-protein coupled R, and Enzyme-coupled R.

A: The functions and interactions of cells depends on cellular signalling to a great extent. Typically…

Q: True or false? During saltatory conduction, action potentials are regenerated at sites called gap…

A: The nerve impulse generation is depends on the generation of action potential. The action potential…

Q: What are all the parts of the purkinje fibers seen on the image (microscopic)

A: Perkinje fiber  Perkinje fibers are the fibera which conduct electrical impulses and propagate it to…

Q: membrane potential -70mV time Which of the statements below describe a situation in which the change…

A: Introduction: The brief series of events in the membrane potential after excitation is called an…

Q: Reflects the fact that a receptor normally binds only to a single messenger

A: Signal transduction also known as cell signaling is a pathway which involves the transmission of…

Q: Actin-based structures involved in celllocomotion.

A: Introduction  Our body is formed of various cells. These large number of cells are arranged in a…

Q: Regeneration of a severed axon has a better chance forsuccess in the PNS than in the CNS. Why is…

A: The nervous system involved in the transmission of impulses from all parts of the body to the brain…

Q: ny does this ion contribute the most to the resting membrane potential (Vmrest) Because this ion…

A: The difference in the number of positively charged potassium ions (K+) inside and outside the cell…

Q: properties

A: Normally, the cells maintain a negative charge compared to the exterior of the cell. This charge…

Q: Some cells with very negative resting membrane potentials, like -80 mV, express an the inward…

A: The cell membrane separates the interior and the exterior of the cell. It is also called the Plasma…

Q: summary of the whole process of action potential

A: Action potential It is defined as a sudden, fast ans propagating change of the resting membrane…

Q: if you inject current into the middle of an axon by using an intracellular electrode you will get…

A: A neuron transfers information out of the cell's body through an axon, resulting in an action…

Q: How one action potential triggers another; how the continuous conduction seen in unmyelinated nerve…

A: Ans: Action potential: The action potential is defined as sudden, transitory, as well as propagating…

Q: Depolarisation & repolarisation in metaneuron - put the following events in order (from 1 to 4).…

A: The neuron can efficiently send signals along its length by going through this sequence of events:…

Q: what will happen in an axon undergoing an action potential but which is unable to utilize…

A: Neurons are responsible for the electromagnetic conduction of the signals in the form of stimulus.…

Q: The one-way propagation of action potentials away from the original site of activation is ensured by…

A: Introduction: A sudden rise and thereafter a subsequent reduction in the membrane potential or…

Q: Binding sites on actin open when

A: The sarcomere is the part of the sarcostyle that is present between the two Z lines. It is the…

Q: At what time (in milliseconds) is the inside of the neuron the most positive and why?  Explain why…

A: The graph represents action potential in neuron.

Q: True or false: V1 simple cells receive input from layer 4C cells via excitatory receptors.

A: The correct response is True.

Q: Which Cells insulate axıns with Myctin in the Cuts.?

A: The nervous system controls our body movements, our response to outer stimuli, etc. It is a highly…

Q: True or false and explain why. According to the Goldman equation, resting membrane potential of a…

A: * Goldman equation also called as Goldman Hodgkin Katz voltage equation that is used in cell…

Q: Nondepolarizing neuromuscular junction blocking drugs that act more like?

A: The chemical synapses between the motor neuron and muscle fiber is called as the neuromuscular…

Q: Step-by-step, explain how an action potential is produced.

A: Action potential are potential difference created in axons of neurons for the transfer of nerve…

Q: Which parameter Which parameter Which parameter is depicted on the x-axis? is depicted on the y-axis…

A: Neurons or nerve cells are the basic functional units of the nervous system. Their main function is…

Q: The speed of action potential propagation and synaptic transmissiondecreases with aging. List…

A: Ageing is a natural process that leads to several structural (such as decreased elasticity of the…

Q: ORT ANSWER. Write the word or phrase that best completes each statement or answers the questic gure…

A: Synaptic transmission is the process at synapses through which a chemical signal (a transmitter) is…

Q: Neuron explanation

A: The coordination and balance in the body is mediated by the a network of cells that helps in…

Q: 2nd messenger

A: SECOND MESSENGER SYSTEMS All cells of the body react to their current circumstance. For most cell…

Q: Mechanism of action of depolarizing and nondepolarizing Neuromuscular Blockers (NMBs)

A: Introduction: Depolarizing and nondepolarizing Neuromuscular Blockers cause muscle relaxation.…

Q: A DA C D E B Determines whether to generate an action potential or not

A: The action potential is the electrical potential across the membrane of neurons during the…

Q: Explain why reticular fibers are also termed as argyrophilic fibers and lattice fibers

A: Reticular fibers are extracellular matrix fibers composed primarily of the protein collagen,…

Q: In a nerve at rest, the low potassium ion concentration inside the axon is responsible for a…

A: At rest the membrane potential of the neuron is about -70 mv. This is called as resting membrane…

Q: Phosphatidylcholine is the only major phospholipid in the plasma membrane.     true   false

A: The cell membrane is a structure which protects the cell and acts as a barrier and transports the…

Learning and memory

Learning is defined as a relatively permanent and irreversible adaptive change in behavior. It always results from experience. The ability of an organism to store and recall the effects, sensations, and knowledge gained through learning and experience is called memory.