How do ion channels that are highly selective obtain high selectivity for that specific ion?

Q: The refractory period goes from "absolute" to "relative" when:   The inactivation gate of Na+…

A: Introduction: When the stimulus strength reaches at least reach the strength of threshold, there is…

Q: Sensory receptors of afferent neurons Axon terminals of interneurons Cell body of interneurons Axons…

A: The peripheral nervous system (PNS) consists of all nerve cells in the human body that are not…

Q: You take a bite of a Fugu cake made with fresh puffer fish liver, and your lips rapidly develop a…

A: Introduction: Pufferfish poisoning can cause a constellation of symptoms including a tingling…

Q: What component serves as the receptor? What component serves as the control center? What component…

A: Homeostasis is body's ability to adjust it's internal environment for the maintainence of optimal…

Q: Why does tolerance not develop with drugs that target ion

A: Tolerance is a biological process in which repeated and increasing frequency of dose of the drug is…

Q: Assumine that you had an agonist and an antagonist for every autonomic transmitter receptor, how…

A: Introduction: The agonists are the molecules that bind with a similar receptor where the natural…

Q: How do ion channels and sodium-potassium pumps contribute to the resting potential?

A: Ion channels are pore forming membrane proteins that allow ion to pass through the channel pore.…

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: In the introduction section the authors wrote “In general, the polarity-dependent mechanisms are…

A: Anodal stimulation is a type of electrical stimulation that involves passing a positive electric…

Q: Ethosuximide is a drug used to treat epilepsy, particularly absence seizures. It blocks ion channels…

A: Ethosuximide is the drug that is used to control the seizure. It helps to control the absence of…

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: 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: What makes an ionotropic receptor response excitatory or inhibitory

A: Ionotropic receptors, which is also known as neurotransmitter gated or ligand-gated channels, are…

Q: What type of polarizing event will occur?and What happen at the axon hillock?

A: Introduction  Information is transmitted via neurons. They communicate between various brain regions…

Q: During extreme dehydration, plasma K* can increase to as high as 10 mM. (A) What would the membrane…

A: Introduction  When you use or lose more fluid than you consume, your body becomes dehydrated because…

Q: Depolarization phase      --Click to select--   Chemically-gated potassium channels…

A: The Depolarization Phase of Action Potential Mechanism involves rush of the positively charged…

Q: If K+ channels are blocked by TEA (tetraethyl ammonium), what happens to the equilibrium potential…

A: Potassium channels These are membrane proteins which allow rapid and selective movement of K+ ions.…

Q: ligand gated sodium channels Na+/K+ Atpase opening of sodium channels

A: Because of the high concentration of sodium ions towards the outside of the cell or in the ecf…

Q: For each phase, again, name the phase. Then draw in the figures below: Na+ and K+ channels. Draw…

A: Active transporters or channels transport ions against the concentration gradient. The resting…

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: How does the selectivity filter of the potassium channel select between potassium ions and sodium…

A: All cells are surrounded by a membrane. These membranes separate the contents inside the cell (in…