Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Chapter 6, Problem 9MC
Bone remodeling in adults is regulated and directed mainly by (a) growth hormone, (b) thyroid hormones, (c) sex hormones, (d) mechanical stress, (e) PTH.
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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
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…
Question #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:
a. What percentage of a drug is eliminated after 4 half-lives? Please round to the nearest percent.
b. What will happen to elimination of the drug in the previous question if the system is saturated? explain and show any math involved
Chapter 6 Solutions
Anatomy & Physiology (6th Edition)
Ch. 6.1 - Which type of cartilage is most plentiful in the...Ch. 6.1 - What two body structures contain flexible elastic...Ch. 6.1 - Cartilage grows by interstitial growth. What does...Ch. 6.2 - What is the functional relationship between...Ch. 6.2 - What two types of substances are stored in bone...Ch. 6.2 - Describe two functions of a bones marrow cavities.Ch. 6.3 - What are the components of the axial skeleton?Ch. 6.3 - Contrast the general function of the axial...Ch. 6.3 - What bone class do the ribs and skull bones fall...Ch. 6.4 - Are crests, tubercles, and spines bony projections...
Ch. 6.4 - How does the structure of compact bone differ from...Ch. 6.4 - Which membrane lines the internal canals and...Ch. 6.4 - Which component of bone-organic or inorganic-makes...Ch. 6.4 - Prob. 14CYUCh. 6.5 - Bones dont begin with bone tissue. What do they...Ch. 6.5 - When describing endochondral ossification, some...Ch. 6.5 - Where is the primary ossification center located...Ch. 6.5 - As a long bone grows in length, what is happening...Ch. 6.6 - If osteoclasts in a long bone are more active than...Ch. 6.6 - Which stimulus-PTH (a hormone) or mechanical...Ch. 6.6 - How do bone growth and bone remodeling differ?Ch. 6.7 - How does an open fracture differ from a closed...Ch. 6.8 - Which bone disorder is characterized by excessive...Ch. 6.8 - What are three measures that may help to maintain...Ch. 6.8 - Prob. 25CYUCh. 6 - Which is a function of the skeletal system? (a)...Ch. 6 - A bone with approximately the same width, length,...Ch. 6 - The shaft of a long bone is properly called the...Ch. 6 - Sites of hematopoiesis include all but (a) red...Ch. 6 - An osteon has (a) a central canal carrying blood...Ch. 6 - Prob. 6MCCh. 6 - The flat bones of the skull develop from (a)...Ch. 6 - The remodeling of bone is a function of which...Ch. 6 - Bone remodeling in adults is regulated and...Ch. 6 - Prob. 10MCCh. 6 - Wolffs law is concerned with (a) calcium...Ch. 6 - Prob. 12MCCh. 6 - Prob. 13MCCh. 6 - Prob. 14MCCh. 6 - Compare bone to cartilage tissue relative to its...Ch. 6 - Describe in proper sequence the events of...Ch. 6 - Osteocytes residing in lacunae of osteons of...Ch. 6 - As we grow, our long bones increase in diameter,...Ch. 6 - Describe the process of new bone formation in an...Ch. 6 - Compare and contrast controls of bone remodeling...Ch. 6 - Prob. 21SAQCh. 6 - Yolanda is asked to review a bone slide that her...Ch. 6 - Remember Mrs. DeStephano? When we last heard about...Ch. 6 - Remember Mrs. DeStephano? When we last heard about...Ch. 6 - Remember Mrs. DeStephano? When we last heard about...Ch. 6 - Remember Mrs. DeStephano? When we last heard about...Ch. 6 - Remember Mrs. DeStephano? When we last heard about...Ch. 6 - Remember Mrs. DeStephano? When we last heard about...Ch. 6 - Remember Mrs. DeStephano? When we last heard about...
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