Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Textbook Question
Chapter 54, Problem 9PL
The anal sphincter muscles include an external voluntary sphincter and an internal involuntary sphincter.
a. True ________
b. False _______
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Chapter 54 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 54 - Which of the following digestive organs possesses...Ch. 54 - Which is a major function of the oral cavity? a....Ch. 54 - Bile is produced in the a. small intestine. b....Ch. 54 - The _________________ is the exposed part of a...Ch. 54 - The __________________ sphincter is the muscular...Ch. 54 - The stomach can stretch enough to hold the...Ch. 54 - The __________________ lobe is the largest lobe of...Ch. 54 - The appendi,. cecum, and ascending colon are on...Ch. 54 - The anal sphincter muscles include an external...Ch. 54 - Describe how the structure of the small intestine...
Ch. 54 - Identity the numbered features in figures 54.17,...Ch. 54 - FIGURE 54.18 Label the features associated with...Ch. 54 - FIGURE 54.19 Label the digestive structures of...Ch. 54 - FIGURE 54.20 Label the features of the large...Ch. 54 - Match the terms ¡n column A with the descriptions...Ch. 54 - Summarize the function(s) of each digestive organCh. 54 - Name the valve (sphincter) located between the...Ch. 54 - Name the valve located between the small and the...Ch. 54 - The liver receives blood from the...
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- Now draw a rough sketch of what the control data might look like if in addition to the specific binding, there was also a considerable amount of nonspecific binding (again using a normal dose/response curve)arrow_forwarda. Which drug is the most potent? a,b,c,d,e b. Which drug has the highest efficacy?arrow_forwardThe 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?arrow_forward
- Nonearrow_forwardQuestion #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 first (left side) in the parental cross. 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…arrow_forwardQuestion #5: Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The genes show independent assortment. Recessive alleles at both loci are required for the facultative apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C. At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype. A facultative apomict male, capable of producing viable pollen, was crossed with a sexually reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following temperatures*: a) 15°C? b) 25°C? *for full credit, show crosses and genotypes where appropriate. Remember to position the female first (left side) in the cross. Type your answer here:arrow_forward
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