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

Q: how a drug might affect the transmission of a nervous signal across the synaptic cleft from a…

A: Neurotransmission is a process that takes place across the synaptic cleft and involves the release,…

Q: a) A certain mammalian species (37 °C body temperature) has nerve cells with a resting potential of…

A: An action potential is initiated once the membrane potential goes above the excitation threshold of…

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: The resting membrane potential of a neuron typically is  70 mV. What does this mean?

A: The nervous system is involved in the coordination and controlling of various activities in the…

Q: An area of the body that provides afferent, efferent sensory information to the CNS and receives ,…

A: Afferent (Sensory):Transmits sensory information from peripheral receptors to the CNS.Carries…

Q: True or false: Gasotransmitters, such as NO, break many of the "rules" of neurotransmission, but…

A: Gasotransmitters are neurotransmitters of gaseous nature that function as gaseous messenger…

Q: An action potential is propagated down the ????? of a presynaptic cell resulting in the release of…

A: A nerve impulse is transmitted from one neuron to another through junctions called synapses. A…

Q: Describe how a very small quantity of receptor ligand is capable of eliciting a strong response in a…

A: This is the beauty of signal amplification where a single  molecule forms thousand and thousand…

Q: Discuss what happens to the action potential shape when the neuronal environment has sodium removed.…

A: Introduction  When the membrane potential of a particular cell site rapidly increases and decreases,…

Q: When proteins are needed in the presynaptic terminal, they must be made in the neurosoma, which is…

A: The protein synthesized machinery the ribosomes etc are located in the cell body or neurosoma thus…

Q: Changes in intracellular Ca2+ is one of the main governing factors that determines the direction of…

A: Plasticity refers to the ability of the brain to change and adapt in response to various experiences…

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: The Structure of the acetylcholine receptor is shown below:   D. Briefly indicate what the role of…

A: Acetylcholine is a neurotransmitter at various synapses, nerves, and at the motor endplate of…

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: Which types of patch clamp technique should be used if you want to determine if a particular…

A: The Patch-clamp method is an electrophysiological laboratory technique for examining currents and…

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: After an action potential has been initiated, there are two processes that prevent the membrane from…

A: The generation of action potential is very much important characteristics in nerve cells that is…

Q: Jose measures membrane potential in two neighboring cells. He notices that when the membrane…

A: Membrane potential It refers to the difference in electric potential between the interior and the…

Q: Describe the “all-or-none” principle of action potentials. Does the restoration of a resting…

A: In human physiology, the phenomena of action potential refers to the rapid changes in the membrane…

Q: List three ways in which action potentials can be initiated in neurons?

A: Neurons are a type of cell that is solely responsible for the transmission of information across the…

Q: Grasshopper mouse lives in the desert of Arizona where there are scorpions whose venoms are toxic by…

A: Grasshopper mice are desert-dwelling rodents in the genus Onychomys, which includes three species –…

Q: Pathways involving G proteins provide an opportunityfor an increase in signal strength in the course…

A: G-protein coupled receptor (GPCR) is a seven trans-membrane receptor. The protein is located…

Q: name the three ways in which an ion channel can be gated.

A: Introduction:Protein-based structures make up the channels in a cell membrane, which open and close…

Q: There is a toxin extracted from pufferfish called tetrodotoxin (TTX), which completely inhibits…

A: Tetrodotoxin (TTX) is a potent neurotoxin that is responsible for many bouts and deaths each year.…

Q: Axons can be extremely long and winding. What structural property allows them to maintain the…

A: The structural and functional unit of the nervous system is called a neuron. A neuron is composed of…

Q: f a post synaptic neuron is stimulated to threshold by spatial summation this implies that the post…

A: The nervous system is composed of millions of nerve cells called neurons. Synapses are junctions…

Q: List the two types of voltage-gated channels that playimportant roles in the production of action…

A: Changes in membrane potential are brought about by changes in ion movement across the membrane. A…

Q: List 5 keys to survival from a potentially lethal reaction to any neuroleptic?

A: A class of psychiatric medications known as neuroleptics, or antipsychotics, is mostly used to treat…

Q: LO85 Identify whether a neuronal network is excited or inhibited based on the individual action of…

A: By considering the special highlights of neurons that make them either energized or calm, and how…

Q: What will be the receptor probability of the active state after you add a high dose of an…

A: Signaling pathway of the cell helps in communication with in the cell as well as between the cells.…

Q: During an IPSP, the postsynaptic membrane becomes more permeable to GABA. O Ca2+. Na+. O K+.…

A: The IPSP stands for Inhibitory postsynaptic potential. It occurs when ion channels open resulting in…

Q: At the end of the action potential, the cell will regain resting conditions of ions inside the cell.…

A: The membrane potential is the potential maintained both on the inside and the outside of the cell.…

Q: An influx of positive sodium ions eventually causes closing of the inactivation gates of voltage…

A: When a cell is at a resting state, generally the interior of the cell has negative charge than…

Q: Give me an example of a voltage gated ion in action in the body.

A: A voltage-gated channel is the ion channels that are embedded in the membrane, used to transport the…

Q: Describe at least 2 processes at the synapse that shift the effect of an action potential of a pre…

A: The action potential is a sudden and rapid change in the resting membrane potential (RMP) caused by…

Q: Explain the roles of presynaptic inhibition and of facilitation

A: Nerve cells work together in clusters to affect each other's functions. The benefit of presynaptic…