Q: Define the term saltatory conduction?
A: Neurons are the basic unit of the nervous system that carry electrical stimuli throughout the body.…
Q: What is the role of the Efferent neuron?
A: The nervous system is involved in the coordination and controlling of various activities in the…
Q: During an action potential, what do the transient changes in membrane e permeability allow?
A: The sudden, transitory, propagating, and fast change in the resting membrane potential is called an…
Q: in neurons when cl- influx into the axoplasm through chloride channel, hyperpolarization could…
A: Neurons conduct electrical impulse by using action potential, which is generated through flow of…
Q: Explain how the resting membrane potential is established and maintained in neurons.
A: BASIC INFORMATION NEURON It is the longest cell inside the human body It is found in the brain…
Q: How do ion channels that are highly selective obtain high selectivity for that specific ion?
A: The biological membranes are selectively permeable. All molecules are not transported across the…
Q: How do the sodium andpotassium ions maintain theresting potential of theneuron?
A: Introduction Chloride is the most abundant anion in the extracellular fluid. Along with Chloride…
Q: Describe how the magnitude and polarity of the sodium and potassium membrane currents vary with the…
A: The activation of a neuron or muscle fiber is mediated through the modulation of its membrane…
Q: Explain Ion homeostasis process.
A: The steady-state of chemical, physical, and, internal conditions maintained by living organisms is…
Q: define conduction disorder?
A: The disorder is the set of problems that result in significant difficulty, impairment, and distress.…
Q: Describe the events that must occur to generate an AP. Relate the sequence of changes in…
A: The action potential is a quick increase and succeeding fall in membrane potential or voltage across…
Q: What structural and functional changes occur in the voltage gated sodium (NaV) channel when it…
A: Action potentials are nerve messages. Neurons produce and convey these signals through their…
Q: If extracellular [Na1] is elevated, how would the resting potential and action potential of a neuron…
A: The nervous framework is a profoundly intricate piece of a creature that facilitates its actions and…
Q: Describe the shape of Efferent neurons/ What is its role?
A: The neuron is a cell that transmits information to other tissues, nerve cells, muscles. When a…
Q: Explain the structure of the axon.
A: Neurons or nerve cells are the basic structural and functional unit of the brain. Brain tissue…
Q: Describe the potassium and sodium equilibrium potentials.
A: The equilibrium potential refers to the electrical potential difference across the cell membrane…
Q: Define the term mechanically gated ion channels?
A: Ion channels are formed by multiple individual protein that makes a path for charged ions from…
Q: What is conduction?
A: Plants have tissues: 1) Dermal- Outer covering of the cell. 2) Ground- They helps in photosynthesis,…
Q: Contrast continuous conduction with saltatory conduction.
A: Nerve impluse if conducted in two ways- 1. Propagation along an unmyelinated axon is referred to as…
Q: What type of transport mechanism is demonstrated by Na+ movement through the open voltage-gated Na+…
A: Voltage-gated sodium channels are one kind of integral protein, mainly they are transmembrane…
Q: Compare and contrast calcium, sodium, and potassium ion channels used in neurons.
A: Ions are charged species which are nessesry for neuronal communications . Thier movement helps in…
Q: Explain the flow of ions in mechanically-gated ion channels.
A: Mechanically Gated Ion-Channels:- Ionic channels can be of three types: 1. Voltage-gated ion…
Q: Explain how the dendritic length constant changes if More channels are open
A: Dendritic length constant is the distance from the origin of an action potential where its amplitude…
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: Compare and contrast the meanings of afferent and efferent.
A: The control and coordination of the body in humans occur by two systems: the nervous system and the…
Q: Explain the detail of the neurons.
A: The nervous system of an organism is quite complex network that is responsible for coordinating…
Q: Define first messenger
A: Messengers are small molecules or ions which can be either intracellular or extracellular and are…
Q: List the Forces influencing sodium and potassium ions at the resting membrane potential?
A: The voltage across a cell membrane during the resting stage is known as the resting membrane…
Q: 1.7. Why does Na* enter the cell during the action potential?
A: Answer is option d )
Q: Describe what happens in the "All or None" response, including terms such as depolarization,…
A: The principle all- or - none states that the responses of the nerve cells or muscle fiber are not…
Q: Define calmodulin
A: Proteins are the sequences of amino acids that are joined together by peptide bonds in which amino…
Q: Define efferent division
A: The nervous system as a whole is divided into: central nervous system(CNS) and peripheral nervous…
Q: How can the Graded potentials be recorded?
A: Instead of being all-or-nothing, graded potentials are small changes in membrane potential. They…
Q: State the all-or-none law of the action potential.
A: When excitable cells such as a neuron, muscle cells, and endocrine cells are given a stimulus, the…
Q: Explain how the changes in Na+ and K+ ion concentrationsthat occur during an action potential are…
A: Introduction Chloride is the most abundant anion in the extracellular fluid. Along with Chloride…
Q: Cells that insulate and speed impulse conduction between neurons in the pns are
A: The nervous system is a complex system of nerves and specialized cells known as neurons. The nervous…
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 are Efferent neurons?
A: The nervous system is an important organ system in the body. The nervous system is composed of…
Q: Define ala
A: ALA : It has different meanings in diffrent subjects . ALA in zoology : A wing like structure or…
Q: What happens to the membrane potential inside and outside of the cell when Na+ channels are open?
A: Membrane potential is a potential gradient that forces ions to passively move in one direction.
Q: Potassium leak channels allow K+ to pass into the neuron.
A: In neurons the signals are transmitted electrochemically. A neurotransmitter, that is released by…
Q: Explain how and why membrane potential changes during anaction potential
A: Introduction The nerve helps in the transmission of signals from CNS (Central Nervous System) to the…
Q: Compare chemically-gated VS voltage-gated channels
A: Gated ion channels are pore forming, multimeric membrane peptides that allows across flow of ions in…
Q: O Fewer sodium ion channels would oper
A: If a stimulus is strong enough, an action potential occurs and a neuron sends information down an…
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