Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 35, Problem 10RQ
What is the term for protein channels that connect two neurons at an electrical synapse?
- synaptic vesicles
- voltage-gated ion channels
- gap junction protein
- sodium-potassium exchange pumps
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Chapter 35 Solutions
Biology 2e
Ch. 35 - Figure 35.3 Which of the following statements is...Ch. 35 - Figure 35.11 Potassium channel blockers, such as...Ch. 35 - Figure 35.26 Which of the following statements is...Ch. 35 - Neurons contain _____ which can receive_____...Ch. 35 - A(n)______neuron has one axon and one____ dendrite...Ch. 35 - Glia that provide myelin for neurons in the brain...Ch. 35 - Meningitis is a viral or bacterial infection of...Ch. 35 - For a neuron to fire an action potential, its...Ch. 35 - After an action potential, the opening of...Ch. 35 - What is the term for protein channels that connect...
Ch. 35 - Which of the following molecules is not involved...Ch. 35 - Thelobe contains the visual cortex frontal...Ch. 35 - Theconnects the two cerebral hemispheres. limbic...Ch. 35 - Neurons in Thecontrol motor reflexes. thalamus...Ch. 35 - Phineas Gage was a 19th century railroad worker...Ch. 35 - Activation of the sympathetic nervous system...Ch. 35 - Where are parasympathetic preganglionic cell...Ch. 35 - ______ is released by motor nerve endings onto...Ch. 35 - Parkinson’s disease is a caused by the...Ch. 35 - __________ medications are often used to treat...Ch. 35 - Strokes are often caused by. neurodegeneration...Ch. 35 - Why is it difficult to identify the cause of many...Ch. 35 - Why do many patients with neurodevelopmentaJ...Ch. 35 - How are neurons similar to other cells? How are...Ch. 35 - Multiple sclerosis causes demyelination of axons...Ch. 35 - Many neurons have only a single axon, but many...Ch. 35 - How does myelin aid propagation of an action...Ch. 35 - What are the main steps in chemical...Ch. 35 - Describe how long-term potentiation can lead to a...Ch. 35 - What methods can be used to determine the function...Ch. 35 - What are the main functions of the spinal cord?Ch. 35 - Alzheimer’s disease involves three of the four...Ch. 35 - What are the main differences between the...Ch. 35 - What are the main functions of the sensory somatic...Ch. 35 - Describe how the sensory-somatic nervous system...Ch. 35 - Scientists have suggested that the autonomic...Ch. 35 - What are the main symptoms of Alzheimer’s disease?Ch. 35 - What are possible treatments for patients with...
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- When action potentials arrive at a synapse between a neuron and another cell, they stimulate the release of molecules of a ________ that diffuse over to that cell.arrow_forwardWhat happens to sodium channels and potassium channels during repolarization of a neuron? both potassium channels and sodium channels remain closed the sodium channels close, followed by opening of the potassium channels both sodium channels and potassium channels remain closed the sodium channels open, but the potassium channels remain closed both potassium channels and sodium channels remain openarrow_forwardWhat is responsible for action potentials propagating in one direction? The inactivation of voltage gated sodium channels The sodium potassium pump and the potassium leak channels The inactivation of voltage gated potassium channels The inactivation of ligand gated sodium channels The inactivation of ligand gated potassium channelsarrow_forward
- The changes in membrane potential when a neuron is transmitting information is called ..... threshold action potential chemical potential resting potentialarrow_forwardHow does one neuron communicate with the next cell through chemicals? Synapse Presynaptic vs. postsynaptic neuron Electrical vs. chemical synapsearrow_forwardMatch the parts of a neuron with their functions Group of answer choices Cell body Axon Dendrites Synapse Group of answer choices Part of the neuron responsible for detecting incoming signals from sensory cells or other neurons The connection point between a neuron and its target cell. Sends electrical signals in the form of action potentials in one direction. Location of the nucleus, responsible for basic metabolic functionsarrow_forward
- Of the below, what do neurotransmitters do? stimulate presynaptic terminals. remain in the synaptic cleft for long periods of time. do not affect membrane channels in the postsynaptic membrane. bind irreversibly to the receptor molecules of the postsynaptic membrane. cause the production of action potentials in the postsynaptic membrane.arrow_forwardWhich of the following occurs first when voltage reaches the threshold level in a neuron plasma membrane? (a) voltageactivated Na1 channels open (b) K1 channels open (c) the membrane hyperpolarizes (d) neurotransmitter is released (e) K1 channels closearrow_forwardWhich of the following can increase the likelihood of a neuron generating an action potential? tetrodotoxin (TTX) reducing the external concentration of K+ decreased diffusion of K+ through leak channels out of the neuron All of the abovearrow_forward
- All of the following are directly involved in synaptic transmission excepta. voltage-sensitive ion channels on the postsynaptic membraneb. chemical-sensitive ion channels on the postsynaptic membranec. Ca2+d. neurotransmittersarrow_forwardWhat events in a neuron membrane occur slowly when threshold potential is reached? Opening of K+ channel activation gate Closing of Na+ channel inactivation gate Opening of the Na+ voltage-gated channel activation gate Closing of Cl- voltage gated channels Closing of K+ inactivation gate (More than one answer may be correct, please help in answering)arrow_forwardWhich of the following occurs during synaptic transmission? Select ALL that apply A) vesicles filled with neurotransmitter are released into the synapse B) an action potential travels through a neuron like a wave C) neurotransmitter binds to receptors on the sending neuron D) neurotransmitter binding to a receptor triggers the opening of an ion channel E) ions enter the receiving neuron's dendritesarrow_forward
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