Coupled transporters Samenvattingen, Aantekeningen en Examens

Receptor Macromolecule whose biological function changes when a drug binds to it What are the link between chemical actions and biological function? Receptors Emax maximum effect of a drug What happens when Emax is reached? Emax occurs when all receptors are bound What is in indication that spare receptors are present? When Emax is reached before all receptors are bound Agonist has affinity for a receptor as well as intrinsic activity at the receptor ...

BIOC 3560 Final Exam Questions and Answers Latest Updated 2023/2024. The following are some multiple choice questions to help you prepare for the Final Examination. I would recommend that you answer the questions before you look at the answers, which are listed at the bottom of the question set. Each question is worth 1 mark. 1. In the voltage-gated sodium channel, a. helix S6 is the voltage sensor b. helix S4 is the voltage sensor c. helix S4 contains the inactivation gate d. one subunit...

Describe the three methods by which small molecules are moved across the outer membrane. Would this apply to gram negative or positive cells? - 1. Transporter proteins in Outer Membrane (G-); Porins (facilitated or passive) 2. Across the peptidoglycan (G+ and G-) 3. Transport across the cell/cytoplasmic membrane (G+ and G-) Compare and contrast ion-coupled transport and ABC transport at the cytoplasmic membrane - Ion-coupled transport: -transporters in cytoplasmic membrane -require E (io...

BIOS 1300 Final Exam Questions and Answers Graded A+ at which of the indicated points do the inactivation gates of the voltage gated Na+ channels close? Point c what is the name of the connective tissue sheath that surrounds each fascicle in a nerve? Perineurium the film terminal is composed of _____ and extends from _____ Pia mater; the end of the conus medullaris to the end of the lumbar cistern an agonist is a drug tht activates a receptor, basically mimicking the receptors natural ligand...

PNB 3251 Exam Actual Questions and Answers Real Updated 2024/2025 Terms Solved 100% _____ are inhibitory neurotransmitters A. GABA and Glycine B. Glycine and Glutamate C. Acetylcholine and Benzodiazepine D. AMPA and Kainate - answerGABA and Glycine Figure 4 shows the relationship between Vm and gK+ for a cell whose [K+]in = 250 mM and [K+]out = 17 mM. At 25 degrees C, this cell's resting potential is -40 mV. What is the cell's K+ conductance when Vm = -20 mV. A. 50 mOhm/cm2 B. -20 ...

BIOC 3560 Final Exam Questions With Answers Latest Updated 2024 (GRADED) In the voltage-gated sodium channel, a. helix S6 is the voltage sensor b. helix S4 is the voltage sensor c. helix S4 contains the inactivation gate d. one subunit is responsible for activation e. one subunit is responsible for selectivity 2. Which of the following best describes the effects of insulin signaling on glycogen synthase kinase 3 (GSK3) and glucose transporters in liver cells? a. inactivation of GSK3 and ...

What hormone increases the concentration of transport proteins in the body? correct answers Estrogen In what pathology do you see blunting of the renal calyces? correct answers Reflux nephropathy Besides a webbed neck, what other neck abnormality may you see in Turner syndrome? correct answers Cystic hygroma (lymph fluid) What type of receptor is the oxytocin receptor? correct answers G sub q-coupled What is the shortest/fastest acting beta blocker? correct answers Esmolol Is nigh...

Summary Exam for Biological foundations of mental health 2023 Striatal Dopamine neurotransmission abnormalities in obesity and addiction - CORRECT ANSWER-Such persistent activation of the reward pathway occurs in the case of chronic drug abusers or even in individuals consuming unusually large quantity of food. To answer this question, scientists have quantified dopamine neurotransmission in the brains of addicted or obese individuals, using positron emission tomography-- PET. They...

Chapter 2 Stahl Questions with 100% correct answers how psychotropic drugs work - Correct Answers target one of transporters for a neurotransmitter. target receptors coupled to G proteins. target enzymes neurotransmitter transport - Correct Answers presynaptic reuptake and vesicular storage. both use a molecular transporter that utilizes a 12 membrane region transporter SLC 6 (solute carrier 6 gene family) subtransporter - Correct Answers includes transporters for the monoamines serotonin, no...

NSCI 175 Exam 2 Questions with complete Answers 2023 Acetylcholine (ACh) is the main transmitter used at which mammalian junctions? neuromuscular junctions The cholinergic drug atropine _______ receptors. A. activates nicotinic B. blocks muscarinic C. activates muscarinic D. blocks nicotinic B. blocks muscarinic The NMDA receptor is a type of receptor for the neurotransmitter glutamate In the mammalian brain, the major inhibitory neurotransmitter is GABA. ...