HUMAN BIOLOGY W/ACCESS
16th Edition
ISBN: 9781260997231
Author: Mader
Publisher: MCG
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Chapter 14.5, Problem 2LO
Summary Introduction
To classify:The drugs as to whether they have a depressant, stimulant, or psychoactive effect on the nervous system.
Introduction:
Neurotransmitter is chemical substances which are released by the end of the nerve fibers by the arrival of the nerve impulses. The examples of some neurotransmitters are: acetylcholine, serotonin, norepinephrine, dopamine and so on. The neuromodulators are the drugs which block the activity of neurotransmitter.
There are certain drugs which affect the nervous system. These drugs can have three form of effect such as a depressive, simulative and psychoactive.
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The shape of radishes may be long (SL/SL), oval (SL/SS), or round (SS/SS), and the color of radishes may be red (CR/CR), purple (CR/CW) or white (CW/CW). If a long, red radish plant is crossed with a round, white plant, what will be the appearance of the F1 and F2 generations?
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Question #3:
In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would
transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming
there was just one gene conferring gametophytic obligate apomixis, and that the two parents are
inbreds, what would be the consequences of such a cross if:
a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
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b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
first (left side) in the…
Chapter 14 Solutions
HUMAN BIOLOGY W/ACCESS
Ch. 14.1 - 1.Distinguish between the central nervous system...Ch. 14.1 - Prob. 2LOCh. 14.1 - Prob. 3LOCh. 14.1 - Prob. 4LOCh. 14.1 - What is the likely reason neurons cannot simply be...Ch. 14.1 - Prob. 2BTSCh. 14.1 - Prob. 1CYPCh. 14.1 - Describe how a nerve impulse is propagated.Ch. 14.1 - Summarize how a nerve impulse is transmitted from...Ch. 14.2 - Prob. 1LO
Ch. 14.2 - Prob. 2LOCh. 14.2 - Prob. 3LOCh. 14.2 - Prob. 4LOCh. 14.2 - Prob. 1CYPCh. 14.2 - Prob. 2CYPCh. 14.2 - Prob. 3CYPCh. 14.3 - Prob. 1LOCh. 14.3 - Prob. 2LOCh. 14.3 - Prob. 3LOCh. 14.3 - Prob. 1CYPCh. 14.3 - Prob. 2CYPCh. 14.3 - Prob. 3CYPCh. 14.4 - Prob. 1LOCh. 14.4 - Prob. 2LOCh. 14.4 - Prob. 3LOCh. 14.4 - Prob. 1CYPCh. 14.4 - Prob. 2CYPCh. 14.4 - Prob. 3CYPCh. 14.5 - Prob. 1LOCh. 14.5 - Prob. 2LOCh. 14.5 - Prob. 3LOCh. 14.5 - Prob. 1CYPCh. 14.5 - List how the abuse of drugs, including alcohol and...Ch. 14.5 - Prob. 3CYPCh. 14 - Prob. 1ACh. 14 - Prob. 2ACh. 14 - Prob. 3ACh. 14 - Prob. 4ACh. 14 - Repolarization of an axon during an action...Ch. 14 - Prob. 6ACh. 14 - Which of the following cerebral areas is not...Ch. 14 - Prob. 8ACh. 14 - Prob. 9ACh. 14 - Prob. 10ACh. 14 - Prob. 11ACh. 14 - Prob. 12ACh. 14 - Prob. 13ACh. 14 - Prob. 14ACh. 14 - Prob. 15ACh. 14 - Prob. 16ACh. 14 - Prob. 1TCCh. 14 - Prob. 2TCCh. 14 - Why would you expect the motor skills of a child...
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