sodium rushing into the cell, making the potential difference positive

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: 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: Severe burns, particularly third-degree burns that damage a significant portion of the body surface,…

A: By influencing the dynamics of Na⁺ inflow, hypernatremia which results from high levels of sodium…

Q: describe what it means when a solute moves against its concentation gradient.

A: A concentration gradient is the difference between the concentration of any particle. A gradient is…

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: In a typical action potential, the membrane potential of the neuron or muscle changes from_____…

A: Action potentials can be defined as the swift rise and succeeding fall in the membrane potential or…

Q: difference between the fluxes of a solute moving in two opposite diretion is alled what

A: The plasma membrane of living cells governs the movement of molecules in and out of the cells. The…

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: 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: Tubule epithelial cells Brush border Tissue fluid Transcellular route Tight junction Tubular fluid…

A: These are the components associated with reabsorption in the proximal convoluted tubule. The…

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: Describe the activity of the sodium-potassium pump and indicate its importance to the cell.

A: For every 2 potassium ions carried in, it serves to carry sodium and potassium ions in a proportion…

Q: Explain the mechanism of action of the Na+/K+ pump. If these pumps became non-functional due to a…

A: Jens Christian Skou, a Danish physicist who won the Nobel Prize in 1997 for his work on the…

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: Contrast the relative concentrations of sodium and potassium ions inside and outside of a cell.

A: Cells have membranes that are made of lipid molecules and they prevent most things from entering or…

Q: What an electrical current is, and how sodium ions and gated membrane channels generate a current.

A: Electrophysiology is the mechanism of the cell for producing electrical currents and potentials. For…

Q: When two chambers are separated by a membrane permeable to water but not solute, if water is free to…

A: Introduction A solution is a homogeneous mixture of two or more substances. It may exist in any…

Q: Describe the mechanism through which a potassium channel can selectively move K* ions across a…

A: Answer : The awareness gradient and the huge range of K+ ion leak channels permit kt to be inhibited…

Q: Which of the following is most likely to occur if the ECF concentrations of K+ were to increase?…

A: Refer to the solution

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: If the percent difference is a positive number, what does this tell us about the movement of water…

A: The cell membrane, which regulates the movement of liquids, dissolved solids, and gases into and out…

Q: The two most abundant cations in the ICFare and .

A: All known species have a cell as their basic structural, functional, and biological unit. The…

Q: Describe the potassium and sodium equilibrium potentials.

A: The equilibrium potential refers to the electrical potential difference across the cell membrane…

Q: Describe the changes in membrane permeability that underlie the membrane potential changes

A: The human body is formed from totally different organs and organ systems. There are eleven…

Q: You are recording from a funny-looking cell. You hold the cell at various voltages and record the…

A: This experiment investigates the permeability of a cell to K+ ions. By comparing the current…

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: Response Afferent Efferent Balance pathway pathway Effector Receptor Receptor IMBALANCE Control…

A: Homeostasis is the essence of the life of warm-blooded organisms on the earth. Due to the varying…

Q: ca2+ possible negative ion

A: Calcium or Ca is alkaline earth metal having electronic configuration 2,8,8,2.

Q: Left Compartment                                        Right Compartment 7 grams of Z per liter…

A: Osmolarity is the number of solute particles per litre of solution. When there is difference in…

Q: Left Compartment                                        Right Compartment 7 grams of Z per liter…

A: Introduction In our cell plasma membrane acts as a barrier between inside and outside the cell.  The…

Q: Sodium concentration in extracellular fluid is: O > potassium < potassium = potassium undetectable

A: When compared to only 5 g of iron and 0.06 g of copper, a typical human weighing 70 kg has…

Q: explain how does sodium potassium pump works?

A: Primary active transport is coupled directly with a metabolic source of energy such as ATP…

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: 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: Describe the flow of ions in these cells in action potentials - skeletal muscle - neuron

A: The nervous system establishes its function by means of neurons or nerve cells that aid in the…

Q: Hyponatremia is a dangerous condition that arises when your body's sodium concentration drops to…

A: Hyponatremia is a medical condition characterized by low levels of sodium in the blood. Sodium is an…