Potassium flows the cell through leak channels, its gradient. into, down out of , up into , up out of , down

Q: In an excitable cell at rest, we expect to find ______ ions effluxing out of the cell through leak…

A: The cell is said to be at resting membrane potential when the cell potential is at rest, and the…

Q: Depolarization causes: • Changing membrane permeability for Na • Changing membrane permeability for…

A: When an action potential generates a change in electrical potential can be seen and it runs along…

Q: Voltage-gated sodium channels are open and allowing sodium to flow when: O The membrane is at the…

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

Q: Positively charged ions flow out of the cell when voltage-gated _____ channels open.   A K+   B…

A: The potential difference between the inner and outer side of the cell membrane is called membrane…

Q: what would be the consequences for the cell is k+ ions did not binds to the Na + / k + pump in the…

A: “Cells” are the fundamental functional units of life. They consists of “cytoplasm” bounded within a…

Q: This type of ion channel allows K+ ions to flow into or out of a cell down its concentration…

A: The cell membrane is a semi-permeable membrane which allows only specific ions and molecules to move…

Q: SNAT2 (a membrane protein) determines the cell’s content of most amino acids. It acts as a symport…

A: SNAT2 is a membrane protein that plays a crucial role in determining the cell's content of most…

Q: If an ion has the same concentration on both sides of the membrane, then Eion will be: O Positive O…

A: The equilibrium potential for an ion is the electrical potential at which the electrical gradient…

Q: How can the resistance (Rm) of a membrane be increased? Increase conductance by opening ion channels…

A: A membrane resistance (Rm) is a measurement of how challenging it is for ions to cross the membrane.…

Q: Which type of transport is most likely used to export Na+ out of the cell?

A: The plasma membrane is selectively permeable. This means that the membrane allows some materials to…

Q: Select all the correct answers for the question that follows. The resting membrane potential of an…

A: Neuron or nerve cells are cells that act as messengers, they are able to undergo  electrical…

Q: Name the three types of cell communication.

A: The cell is the smallest structural and functional entity of a living organism. In a multicellular…

Q: Explain how potassium is secreted in the DCT? T[K*] 3Na+ 3Na* 3Na* Aldo Kir4.1-5.1 2K+ 2K+ 2K+ ;…

A: The mineral potassium is the most plentiful in the body. It is localized to the intracellular area.…

Q: What membrane process releases neurotransmitters into the synapse during an action potential O…

A: During an action potential, the vesicles containing neurotransmitters migrate toward the presynaptic…

Q: Multiple answers: How may have the drug affect the cell's resting membrane potential? What are…

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

Q: The Na+/glucose cotransporter in ION-GRADIENT-DRIVEN ACTIVE TRANSPORT, ________moves down its…

A: Sodium glucose co transporter (SGLT2) is located almost exclusively in proximal renal tubule. It is…

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: Which ion channel is open at the point beyond O? M N K - -55 -70 Membrane potential (mV)

A: K+ leak channels allow K+ ions to travel out of the cell freely according to the concentration…

Q: Which of the following is a characteristic feature of a ion channel protein in a plasma membrane?…

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

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: Other non-lipid-soluble molecules or ions, for which membranechannels are not present in the cell,…

A: The cell, which is the basic unit of all living organisms (both in terms of structure and function)…

Q: how can targetting L-type calcium channels imporve hypermotility and hypomotilty

A: L-type calcium channels are voltage-dependent calcium channels found in various tissues throughout…

Q: Choose high or low When the ion binding sites pumps are open to the inside of the cell the pump has…

A: The sodium potassium pump transports three sodium ions out of the cell when it opens inside the…

Q: If the solute concentration is greater inside the cell than outside the cell, water will move by…

A: When osmosis takes place there is no expenditure of energy in the form of ATP hence it is classified…

Q: What determines the direction of ion movement through an ion channel? O The electrochemical gradient…

A: ION CHANNEL - ion channels are pore - forming membrane proteins that allow ions to pass through the…

Q: High Potassium can cause the symptoms seen in hyperkalemia. What about low potassium, known as…

A: Hypokalemia is a condition characterized by decreased levels of potassium ions in blood. The normal…

Q: Sodium channels in membrane can open in response to what?

A: Sodium channels  are a type of voltage gated ion channel which open or close their pores in response…

Q: In contrast to transporters and carriers, channels: O Are selective for the specific solutes (e.g.,…

A: Cell is separated from the external enviroment with the help of cell membrane. This cell membrane is…

Q: How is transport across the cell membrane controlled?

A: An important role of the plasma membrane is to trasnport things in and out of the cell. It basically…

Q: This depolarizes the cell membrane:     inflow of chloride     inflow of sodium     outflow of…

A: Depolarisation  In biology, depolarisation is the phenomenon where membrane electric volts in become…

Q: . The is primarily responsible for establishing the negative resting membrane potential of neuronal…

A: It is important for cells to be able to uptake nutrients. This function as well as movement of ions…

Q: When the membrane is at rest, what tends to drive the potassium ions out of the cell? What tends to…

A: The action potential is defined as the fundamental communication in the nervous system. The action…

Q: When would a carrier protein be required in order to allow a solute to diffuse across a plasma…

A: Transport is the process of movement of molecules from one region to another region.

Q: Which of the following can be correctly applied to gap junctions? Select all that apply O Allows…

A: * Gap junctions are small channels that  connect two adjacent cells and  mediates exchange of small…

Q: Our patient cannot remove potassium from their extracellular fluid. This is known as hyperkalemia.…

A: Hyperkalemia is a medical term given to a person having a potassium level in his or her blood that's…

Q: This type of ion channel allows K+ ions to flow into or out of a cell down its concentration…

A: Ion channels are transmembrane proteins present in the lipid bilayer of the cell membranes. These…

Q: Factors responsible for a negative resting membrane potential include (Check all that apply) O High…

A: The negative resting membrane potential of a cell is the membrane potential which is maintained in…

Q: Which of the following statements about ion channels are true? all ion channels are selective for…

A: All ion channels are selective for only one species of ion:  False. While ion channels are…

Q: a specific ion channel can transport either a negative or positive ion, but not both True False

A: The plasma membrane of the cell is a selective barrier that transport specific molecules according…

Q: The Na+/glucose cotransporter in ION-GRADIENT-DRIVEN ACTIVE TRANSPORT, against its gradient.…

A: Introduction :- Primary active transport creates electrochemical gradients that store energy that…

Q: "Transporters saturate at high concentrations of the transported molecule when all their binding…

A: Specialized membrane transport proteins known as transporters and channels are used by cells to…

Q: What is the difference between primary active transport and secondary active transport? Your answer…

A: Membrane transport mechanism is a phenomenon which determines how the molecules or materials are you…