Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 38, Problem 4TYU
Summary Introduction
Introduction:
The animal which hurts and kills its prey is known as predator and the animal which gets killed and hunted is known as prey. The relationship of prey and predator is responsible for the driving force for evolution.
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Neurotransmitters:
a. Can only inhibit the postsynaptic cell
b. Can be part of a process that regulates transcription and translation in the postsynaptic cell
с.
Are bound to their receptors forever, until the receptor is degraded and recycled.
d. Can exit the presynaptic cell without assistance.
e. Can only excite the postsynaptic cell
Clathrin:
Is embedded in the cell membrane of the synaptic terminal.
a.
b. Degrades vesicles for recycling and return to the axon hillock
с.
Mediates ALL endocytosis in the body, including the formation of vesicles in the synapse.
d. Forms a coat of octagonal proteins.
e. Helps the vesicle leave the pre-synaptic cell, and fuse to the membrane of the post-synaptic
cell
What is a Ranvier knot?
A.Region that closes on a GFP, when calmodulin and M13 interact in the presence of calcium
B.Contact between the pre-synaptic and post-synaptic buttons
C.Region where two axons cross and exchange signals
D.Region between two myelenised sections of the same axon
What evidence led Lashley to draw his conclusions of equipotentiality and mass action? a. Learning depends on changes at synapses using all types of neurotransmitters. b. Electrical stimulation of the brain can produce either reward or punishment, depending on the intensity of stimulation. c. EEG studies show activation throughout the brain during an experiment on learning. d. Impairment of learning depended on the amount of cortical damage rather than the location.
Chapter 38 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 38.1 - Which division of the autonomic nervous system...Ch. 38.1 - Prob. 2CCCh. 38.2 - When you wave your right hand, what part of your...Ch. 38.2 - People who are inebriated have difficulty touching...Ch. 38.2 - WHAT IF? Two groups of individuals have CNS...Ch. 38.3 - Prob. 1CCCh. 38.3 - Prob. 2CCCh. 38.3 - WHAT IF? If a woman with a severed corpus callosum...Ch. 38.4 - Which one of the five categories of sensory...Ch. 38.4 - Prob. 2CC
Ch. 38.4 - WHAT IF? If you stimulated a sensory neuron of an...Ch. 38.5 - Prob. 1CCCh. 38.5 - Prob. 2CCCh. 38.5 - Prob. 3CCCh. 38.5 - Prob. 4CCCh. 38.6 - Contrast the light-detecting organs of planarians...Ch. 38.6 - Prob. 2CCCh. 38.6 - MAKE CONNECTIONS Compare the function of retinal...Ch. 38 - Patients with damage to Wernickes area have...Ch. 38 - The cerebral cortex does not play a major role in...Ch. 38 - The middle ear converts A. air pressure waves to...Ch. 38 - Prob. 4TYUCh. 38 - Prob. 5TYUCh. 38 - Prob. 6TYUCh. 38 - Prob. 7TYUCh. 38 - SCIENTIFIC INQUIRY Consider an individual who had...Ch. 38 - Prob. 9TYUCh. 38 - FOCUS ON ORGANIZATION In a short essay (100-150...Ch. 38 - Prob. 11TYU
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- Amplification of a chemical signal occurs when? a. phosphorylation of proteins by protein kinase receptors is balanced by the immediate removal of phosphate groups by phosphatases b. a receptor in the plasma membrane activates several “first messenger” molecules while a signal molecule is bound to it c. a cAMP molecule activates one protein kinase molecule before being converted to AMP d. a receptor activates a single first messenger and a single second messengerarrow_forwardIn signal transduction in the dark, the cGMP plays what role? a. It promotes an action potential in the bipolar cell b.It promotes a more hyperpolarized resting potential c. It activates transducin d. It opens non-selective cation channels e. It deactivates cGMP phosphodiesterasearrow_forwardWhich of the following statements correctly describes the all-or-none principle? a. A neuron produces a complete response or no response to a stimulus. b. A stimulus depolarizes all of the neurons in the body or none at all. c. A neuron produces a complete response to every stimulus. d. A stimulus repolarizes all of the neurons in the body or none at all.arrow_forward
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