EBK HUMAN PHYSIOLOGY
7th Edition
ISBN: 9780133983401
Author: Silverthorn
Publisher: YUZU
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Chapter 6, Problem 8RQ
Summary Introduction
Introduction: Receptors are defined as the proteins that have specificity to attach a particular class of families called the ligand. Receptors can be present within the cell or on the cell surface. The attachment of the ligand to the receptor induces chemical changes within the cell and alters normal functioning of the cell.
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In _____________ signaling the signal molecule is active within the cell that produces it.
_____________ signal molecules bind to receptors on the surface of neighboring cells.
There are different types of functional receptors, describe one of them.
Chapter 6 Solutions
EBK HUMAN PHYSIOLOGY
Ch. 6 - Match the communication method on the left with...Ch. 6 - Which signal molecules listed in the previous...Ch. 6 - A cat sees a mouse and pounces on it. Do you think...Ch. 6 - List four components of signal pathways.Ch. 6 - Prob. 5CCCh. 6 - What are the four steps of signal transduction?Ch. 6 - Prob. 7CCCh. 6 - Prob. 8CCCh. 6 - Name the four categories of membrane receptors.Ch. 6 - Prob. 10CC
Ch. 6 - Prob. 11CCCh. 6 - Prob. 12CCCh. 6 - The extracellular fluid Ca2+ concentration...Ch. 6 - Prob. 14CCCh. 6 - What do receptors, enzymes, and transporters have...Ch. 6 - Prob. 16CCCh. 6 - Prob. 17CCCh. 6 - What is the difference between tonic control and...Ch. 6 - Prob. 19CCCh. 6 - What is the difference between local control and...Ch. 6 - Name the seven steps in a reflex control pathway...Ch. 6 - Prob. 22CCCh. 6 - Prob. 23CCCh. 6 - Prob. 24CCCh. 6 - What are the two routes for long-distance signal...Ch. 6 - Prob. 2RQCh. 6 - Prob. 3RQCh. 6 - Prob. 4RQCh. 6 - Prob. 5RQCh. 6 - An enzyme known as protein kinase adds the...Ch. 6 - Distinguish between central and peripheral...Ch. 6 - Prob. 8RQCh. 6 - Prob. 9RQCh. 6 - Prob. 10RQCh. 6 - Prob. 11RQCh. 6 - Explain the relationships of the terms in each of...Ch. 6 - List and compare the four classes of membrane...Ch. 6 - Prob. 14RQCh. 6 - Prob. 15RQCh. 6 - Prob. 16RQCh. 6 - Prob. 17RQCh. 6 - Identify the target tissue or organ for each...Ch. 6 - Now identify the integrating center for examples...Ch. 6 - In each of the following situations, identify the...Ch. 6 - Prob. 21RQCh. 6 - Prob. 22RQ
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- A chemical named __________is derived from ATP and widely employed as a “second messenger” in cellular signaling.arrow_forwardCascading effect occurs when a signal is receive by the receptor ( " turned on" ) but how do cells turns off a signal?arrow_forwardWhile the inactivation gate is closed and the activation gate is open, sodium channels are_____.arrow_forward
- Substances that mediate and amplifies signals inside the cell called __________ (H) __________arrow_forwardA neuron responds to adequate stimulation with _______, a type of self-propagating signal.arrow_forwardA common membrane-bound intermediary between the receptor and the effector protein within the plasma membrane is the __________________.arrow_forward
- Phosphatidylcholine is the only major phospholipid in the plasma membrane. true falsearrow_forwardWrite a step-by-step description of a specific signal transduction pathway. Your description should include a minimum of THREE steps and be written in your own words (not copied from the internet, your notes, or your peers!arrow_forwardThe Generation, Transmission and Integration of Neural Signals Direction: Fill the blanks with the correct word that completes the paragraph. (1) ______________________ are a group of endogenous chemicals responsible for signaling between neurons and other cells (there is very little direct “electrical” connection between neurons). Thus, signaling of the nervous system is a bioelectrochemical process affected by neurotransmitters. Neurotransmitters act on proteins called (2) _______________, which are found on cell membranes in synapses. (3) _______________ are very narrow gaps (20–50 nm) between neurons allowing for chemical transmission via neurotransmitters. The binding of neurotransmitters to pre- and post-synaptic receptors results in changes in the polarization of the cell. Neurotransmitter actions that increase the likelihood of initiating an action potential are called (4) __________________ (EPSPs) while those that reduce the likelihood of an action potential are termed (5)…arrow_forward
- A critical part of the signalling between neurons in the release of neurotransmitter chemicals from the neuron with an incoming signal into a space between neurons (synapse) where the chemical can diffuse and be detected by a receptor on the neuron receiving Molecules the signal. A picture is shown in the figure at the right. The diagram is schematic and doesn't give an idea of the density of the molecules. Let's figure them out. Neurotranstter C. A typical molarity for one such neurotransmitter, acetylcholine, is 100 micromolar (10 molar). Given that the molecular weight of acetylcholine is ~150 D and it has a diameter of about 0.5 nm, find its specific volume, s, and separateness, d. Receptor Synapse D. Compare these to the specific volume and separation distances Source: Looie496, US National Institutes of you found for the molecules of water and discuss whether you think that the jiggling motion of the acetylcholine molecules are primarily driven by collisions with the jiggling…arrow_forwardA student is eating at the lab bench (a clear violation of lab policies) and mistakenly sprinkles tetrodotoxin on his fries. Explain the origin of the toxin and its normal function in that animal. Given that this substance inhibits voltage-gated sodium channels, indicate whether each of the statements below are true or false. Explain your answers. Explain the time course of the response. It will be more difficult for the student’s neurons to generate action potentials The student’s neurons will fire more frequently because membrane potential will be brough closer to threshold. The effect on the membrane potential o the student’s neurons could be predicted by the Nernst equation, which factors in the effects of both ion concentration and ion permeability.arrow_forwardN-methyl-aspartate (NMDA) receptor is activated by glutamate and is ligand-gated calcium ion channel. True or Falsearrow_forward
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Intro to Cell Signaling; Author: Amoeba Sisters;https://www.youtube.com/watch?v=-dbRterutHY;License: Standard youtube license