CAMPBELL BIOLOGY (LL)-W/MOD.MASTERING.
11th Edition
ISBN: 9780134819822
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 48.1, Problem 2CC
Describe the basic pathway of information flow through neurons that causes you to turn your head when someone calls your name.
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. Describe the basic pathway of information flow throughneurons that causes you to turn your head when someone calls your name.
Areas of myelinated axons create the appearance of _______ matter, while neuron cell bodies and unmyelinated axons create the appearance of ______ matter.
Describe how sleep and wakefulness are related to the reticular activating system (RAS).
Chapter 48 Solutions
CAMPBELL BIOLOGY (LL)-W/MOD.MASTERING.
Ch. 48.1 - Prob. 1CCCh. 48.1 - Describe the basic pathway of information flow...Ch. 48.1 - WHAT IF? How might increased branching of an axon...Ch. 48.2 - Under what circumstances could ions flow through...Ch. 48.2 - WHAT IF? Suppose a cell's membrane potential...Ch. 48.2 - MAKE CONNECTiONS Review Figure 7.10, which...Ch. 48.3 - How do action potentials and graded potentials...Ch. 48.3 - In multiple sclerosis (from the Greek skleros,...Ch. 48.3 - How do both negative and positive feedback...Ch. 48.3 - WHAT IF? Suppose a mutation caused gated sodium...
Ch. 48.4 - Prob. 1CCCh. 48.4 - Some pesticides inhibit acetylcholinesterase, the...Ch. 48.4 - Prob. 3CCCh. 48 - How would severing an axon affect the flow of...Ch. 48 - Suppose you placed an isolated neuron in a...Ch. 48 - Prob. 48.3CRCh. 48 - Prob. 48.4CRCh. 48 - Level 1: Knowledge/Comprehension 1. What happens...Ch. 48 - Level 1: Knowledge/Comprehension 1. What happens...Ch. 48 - Where are neurotransmitter receptors located? (A)...Ch. 48 - Why are action potentials usually conducted in one...Ch. 48 - Which of the following is the most direct result...Ch. 48 - Suppose a particular neurotransmitter causes an...Ch. 48 - WHAT IF? Ouabain, a plant substance used in some...Ch. 48 - Prob. 8TYUCh. 48 - DRAW IT Suppose a researcher inserts a pair of...Ch. 48 - EVOLUTION CONNECTION An action potential is an...Ch. 48 - Prob. 11TYUCh. 48 - WRITE ABOUT A THEME: ORGANIZATION In a short essay...Ch. 48 - Prob. 13TYU
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- Match each region of the central nervous system with some of its functions.arrow_forwardA presynaptic neuron in the cerebrum transmits information to hundreds of other neurons. This process is an example of (a) convergence (b) divergence (c) temporal summation (d) spatial summation (e) a graded potentialarrow_forwardThe opening through which neuron communicates with another neuron is calledarrow_forward
- Sense of smell, also known as olfaction, is the ability to perceive and interpret odours. When a chemical molecule interacts with an odour-receptor protein located on the sensory neuron in the nose, an action potential is triggered and sent along the axon. The interaction between a chemical molecule and an odour-receptor protein will first initiate the movement of _____A______ ______B_____ the _____C______ of the _____D_____ neuron. Using the numbers given below, identify A to D. A B C D Chlorine ions Potassium ions Sodium ions Into Out of Axon Dendrite Axon terminal Nodes of Ranvier Interneuron Motor neuron Sensory neuron A: AnswerB: AnswerC: AnswerD: Answerarrow_forwardExplain what is represented in the image (neuron) in five sentences or lessarrow_forwardThe cortex is organized into __ which helps with complex cognitive processing. A. Columns B. Layers C. Nuclei D. Mosaicsarrow_forward
- Distinguish between the functional classes of neurons: sensory/afferent, carry sensory input; interneurons, integration/processing decisions; and motor/efferent, carry motor commands (output)arrow_forwardWhat two types of macromolecules are the main components of myelin? a. carbohydrates and lipids b. proteins and nucleic acids c. lipids and proteins d. carbohydrates and nucleic acidsarrow_forwardNeurons with ___ receptive fields would respond best to ____ spatial frequencies. A large; low B small; high C All of the above. D None of the above. Individual neurons are never tuned to spatial frequency.arrow_forward
- Gray matter consists of... cell bodies, dendrites, and unmyelinated axons myelinated axons unmyelinated axons myelinated cell bodies, dendrites, and axonsarrow_forwardThe neural pathway in figure 3 relays impulses that terminate at the: a. Motor cortex b. Occipital lobe c. Somatosensory cortex d. Parietal lobe e. Receptors f. Skeletal muscle g. Temporal lobearrow_forwardDescribe one situation in which these sensory neurons are important.arrow_forward
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