Anatomy & Physiology
5th Edition
ISBN: 9780321861580
Author: Marieb, Elaine N.
Publisher: Pearson College Div
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Chapter 7, Problem 12CYU
What bone forms the bulk of the orbit floor and what sense organ is found in the orbit of a living person?
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engineered constructs that consist of hollow fibers are acting as synthetic capillaries, around which cells have been loaded. The cellular space around a single fiber can be modeled as if it were a Krogh tissue cylinder. Each fiber has an outside “capillary” radius of 100 µm and the “tissue” radius can be taken as 200 µm. The following values apply to the device:R0 = 20 µM/secaO2 = 1.35 µM/mmHgDO2,T = 1.67 x 10-5 cm2/secPO2,m = 4 x 10-3 cm/secInstead of blood inside the fibers, the oxygen transport and tissue consumption are being investigated by usingan aqueous solution saturated with pure oxygen. As a result, there is no mass transfer resistance in the synthetic“capillary”, only that due to the membrane itself. Rather than accounting for pO2 variations along the length ofthe fiber, use an average value in the “capillary” of 130 mmHg.Is the tissue fully oxygenated?
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Please help with question. thank you
You are studying the expression of the lac operon. You have isolated mutants as described below. In the presence of glucose, explain/describe what would happen, for each mutant, to the expression of the lac operon when you add lactose AND what would happen when the bacteria has used up all of the lactose (if the mutant is able to use lactose).5. Mutations in the lac operator that strengthen the binding of the lac repressor 200 fold
6. Mutations in the promoter that prevent binding of RNA polymerase
7. Mutations in CRP/CAP protein that prevent binding of cAMP8. Mutations in sigma factor that prevent binding of sigma to core RNA polymerase
Molecular Biology
Please help and there is an attached image. Thank you.
A bacteria has a gene whose protein/enzyme product is involved with the synthesis of a lipid necessary for the synthesis of the cell membrane. Expression of this gene requires the binding of a protein (called ACT) to a control sequence (called INC) next to the promoter.
A. Is the expression/regulation of this gene an example of induction or repression?Please explain:B. Is this expression/regulation an example of positive or negative control?C. When the lipid is supplied in the media, the expression of the enzyme is turned off.Describe one likely mechanism for how this “turn off” is accomplished.
Chapter 7 Solutions
Anatomy & Physiology
Ch. 7 - What are the three main parts of the axial...Ch. 7 - Which part of the skeletonaxial or appendicularis...Ch. 7 - Prob. 3CYUCh. 7 - Prob. 4CYUCh. 7 - Prob. 5CYUCh. 7 - Prob. 6CYUCh. 7 - Prob. 7CYUCh. 7 - Johnny was vigorously exercising the only joints...Ch. 7 - What bones are the keystone bones of the facial...Ch. 7 - Prob. 10CYU
Ch. 7 - The perpendicular plates of the palatine bones and...Ch. 7 - What bone forms the bulk of the orbit floor and...Ch. 7 - What are the five major regions of the vertebral...Ch. 7 - In which two of these regions is the vertebral...Ch. 7 - Besides the spinal curvatures, which skeletal...Ch. 7 - Prob. 16CYUCh. 7 - Prob. 17CYUCh. 7 - How can you distinguish a lumbar vertebra from a...Ch. 7 - How does a true rib differ from a false rib?Ch. 7 - Prob. 20CYUCh. 7 - Besides the ribs and sternum, there is a third...Ch. 7 - What two bones construct each pectoral girdle?Ch. 7 - Where is the single point of attachment of the...Ch. 7 - What is the major shortcoming of the flexibility...Ch. 7 - Which bones play the major role in forming the...Ch. 7 - Which bones of the upper limb have a styloid...Ch. 7 - Where are carpals found and what type of bone...Ch. 7 - Prob. 28CYUCh. 7 - The pelvic girdle is a heavy, strong girdle. How...Ch. 7 - Which of the following terms or phrases refer to...Ch. 7 - What lower limb bone is the second largest bone in...Ch. 7 - Prob. 32CYUCh. 7 - Which of the following sites is not a site of...Ch. 7 - Besides supporting our weight, what is a major...Ch. 7 - Prob. 35CYUCh. 7 - Match the bones in column B with their description...Ch. 7 - Match the key terms with the bone descriptions...Ch. 7 - Prob. 3RQCh. 7 - Prob. 4RQCh. 7 - Prob. 5RQCh. 7 - Prob. 6RQCh. 7 - Prob. 7RQCh. 7 - Prob. 8RQCh. 7 - What is a true rib? A false rib?Ch. 7 - The major function of the shoulder girdle is...Ch. 7 - Prob. 11RQCh. 7 - Prob. 1CCSCh. 7 - Prob. 2CCSCh. 7 - Prob. 3CCSCh. 7 - Prob. 4CCSCh. 7 - Prob. 5CCSCh. 7 - Prob. 6CCS
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