Nernst equation Study guides, Class notes & Summaries

Resting Membrane Potential Electrical gradients (such as the transmembrane voltage or RMP) only affects what kind of molecules? - correct answer Charged molecules What is the range of magnitudes (in millivolts) of the resting membrane potential (RMP) of human cells? - correct answer -20 to -100mv Is the inside of the cell electrically negative, or electrically positive, RELATIVE to the extracellular fluid? - correct answer negative How many volts is a millivolt? - correct answer 10^-3 ...

Diffusion: A. Carries particles away from equilibrium B. Requires energy c. occurs due to random motion of particles d. is a type of active transport e. only occurs in biological systems c. Diffusion occurs due to random motion of particles The Nernst equation a. Calculates equilibrium potential across the membrane b. Takes into account ionic concentration c. Does not take into account the permeability of the membrane d. Both a and b e. All of the above e. The nernst equation calcul...

AAB MT Chemistry Review Exam, Updated Questions and Answers_ A+ Graded 100% Which if the following blood tests is used to diagnose gout? A. Alkaline phosphatase (ALP) B. Amylase C. Uric acid D. Creatinine - CORRECT ANSWER-C. Uric acid Which if the following blood tests is used to diagnose gout? A. Alkaline phosphatase (ALP) B. Amylase C. Uric acid D. Creatinine - CORRECT ANSWER-C. Uric acid Select the equation which is used to determine the pH of a solution containing a wea...

NSCI 175 Final (All Learning Objectives) Exam Questions and Answers Explain the reductionist approach - Correct Answer ️️ -Breaking the topic of neuroscience down into smaller pieces (Cognitive, Behavior, Systems, Cellular, Molecular). Pros: can be more detailed; get a better explanation of the topics Cons: can bterm-0e hard to see the big picture Compare different levels of analysis in neuroscience research (molecular, cellular, systems, behavioral, and cognitive neuroscience) - Cor...

-RMPMost neurons have same basic structure - correct answer A cell body with a number of dendrites and one long axon with its terminals. What is the defining characteristic of neurons? - correct answer Have the property of electrical excitability • Ability to produce action potentials or impulses in response to stimuli • Have the property of electrical conductivity • Ability to propagate action potentials or impulses What is the function of different parts of neuron? - correct answer...

Equilibrium Potential and RMP The Neuron - correct answer Is compartmentalized Dendrite and soma are responsible for receiving the input signals Axons are responsible for sending out the signals to the terminals Uphill vs. Downhill gradient - correct answer Uphill= active, consumes body's energy ATP Downhill= passive, does not consume body's energy (no ATP used) Equilibrium potential - correct answer When electrical force (diffusion potential) increases to the point that it exac...

Test Bank for Human Physiology An Integrated Approach 7th Edition by Human Physiology Chapter 8 Neurons: Cellular and Network Properties 1) The portions of a neuron that extend off of the roughly spherical cell body are usually collectively called A) protrusions. 2. B) processes. 3. C) prostheses. 4. D) projections. Answer: B Section: Cells of the Nervous System Learning Outcome: 8.2 Bloom’s Taxonomy: Knowledge 2) Detailed understanding of the cellular basis of signaling in the nervous sy...

thermodynamic mixture the more stable isomer will be the most most favorable (will be of larger percentage in the product) energy stored by capacitors constant deceleration means that the velocity over time will decrease linearly with time linearly decreasing decelerating force means that velocity over time will exponentially decrease with time The relative thermodynamic stability of isomeric organic compounds can be inferred from which of the following types of ex...

Which of the following are involved in normal transmission of a neuronal signal from the brain to the skeletal muscles? a. Voltage-gated sodium ion channels. b. Ligand-gated ion channels. c. Nicotinic cholinergic channels. d. All of the above. e. Only A and C. correct answers d. All of the above. Which of the following are examples of active transport. a. Na+ moving across the cell membrane due to the Na+/K+ ATPase pump. b. Cl- moving across the cell membrane through a ligand-gated ch...

Membrane PotentialDo all living cells have a membrane potential? - correct answer UMM YESH What is a membrane potential? - correct answer Difference in charge inside/outside the cell membrane What is electrical potential? - correct answer When opposite charges are separated they have the potential to do work if allowed to come together What 2 ways can electrical force increase? - correct answer Quantity of charge, decreased charge separation What is the RMP of a typical neuron? - cor...