Which of the following are the level of biological structure at which stem cells play a part? Select all that apply. A. macromolecular level B. cellular/ organelle levels C. tissue/ organ level D. organismal level E. all of the above none of the above
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Q: molecules, organelle, cell, organ, organism
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9. Which of the following are the level of biological structure at which stem cells play a part? Select all that apply.
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A. macromolecular level |
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B. cellular/ organelle levels |
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C. tissue/ organ level |
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D. organismal level |
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E. all of the above |
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none of the above |
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- Which of the following are the level of biological structure at which stem cells play a part? macromolecular level cellular/ organelle levels tissue/ organ level organismal level all of the above none of the above ** select more than one if necessary, then for part 2, choose which of the following are NOT a level of biological structure?41. Epithelial tissues grow rapidly through-out life for all of the following reasons except: a. these cells are shed all of the time c. these cells are exposed to "surfaces" e. all of the preceding are reasons that epithelial cells are shed through -out life. b. skin and gut lining are epithelial cells d. mutation rates are high among epithelial cells.25. The of satellite cells in the skeletal muscles can be found A. as a dispersed population of stem cells throughout the muscle tissue. B. in the blood sinusoid area of the muscle tissue C. concentrated in the tendon D. in the islets of Smithiton E. none of these
- Discuss the principles that govern the presence and maintenance of stem cells both in vivo and in vitro? What is the current status of the technology, and its possible applications? What are the pros and cons of the technology, and how do these issues personally affect people?1.How can tissue be generated from stem cells 2. What is totipotent and pluripotent? 3. What genetic techniques can be use to correct a mismatch in a nucleotide sequence?What does "potency" mean in the context of stem cells? The power of cells to influence their surroundings The ability of cells to differentiate into specialized cell types The ability of cells to survive under harsh environmental or culture conditions Both A and B
- Adult stem cells, such as those in the bone marrow, brain, or hair follicles, can best be described as ______, whereas embryonic stem cells are described as ______. a. totipotent; pluripotent b. pluripotent; multipotent c. multipotent; pluripotent d. totipotent; multipotentThe lower right abdominopelvic quadrant includes all of the: a. right epigastric region b. right lumbar region c. right iliac region d. right hypochondriac region An important function of the cell membrane is: a. the production of energy b. aiding in protein formation c. acting as an "identification tag" for the cell d. none of the above7. Normal/ Healthy undergo programmed cell death (apoptosis) "stick together" by maintaining selective adhesions that they progressively adjust which ensures they remain in their intended location a. True b. False 8. Normal/Healthy differentiate into specialized cells with specific functions meaning they can adopt different physical characteristics despite having the same genome. a. True b. False 9. Within disease cells or aberrated cells proteins or "worker molecules" can be missing or present in unnecessary amounts a. True b. False 10. Within disease cells or aberrated cells messages or signals used for communication are missing or changed a. True b. False 11. Within disease cells or aberrated cells growth is not regulated so the cells grow out of control a. True b. False 12. Within disease or aberrated cells, Changes occur that allow the cells to go places in the body where they do not belong a. True b. False 13. Within disease or aberrated cells, an "immortal" nature allows the…
- Why are stem cells not more abundant in the human body? I learned that stem cells can proliferate into any kind of cell in the body. These cells can be very beneficial for repairing damaged tissues and replacing dead tissue. So, if stem cells have so many uses and benefits why are they not more abundant in the human body? What are the benefits and risks of an increase of stem cells? Do the benefits outweigh the possible problems? Is an increase in stem cell numbers only worth while when an injury has occurred such as in stem cell therapy? Thank you"Time to scrub in," says Dr. Hodges. The appendectomy you are about to observe is your second surgical case in surgical technician school. The patient, David Sims, is an 18- year-old male who was healthy until two days ago when he began having severe abdominal pain, fever, and vomiting resulting in a diagnosis of appendicitis. David is in excellent health and has never had surgery before, so you anticipate the procedure to go smoothly. Your instructor asked the anesthesiologist, Dr. Hodges, if you can observe her today during the procedure. "All of the patient's vital signs and lab work are within normal limits so we are good to go," says Dr. Hodges as David is brought into the operating room. You help get David ready by applying the heart monitor, oxygen saturation monitor, and blood pressure cuff. After David has been sedated, Dr. Hodges places a special tube down his esophagus to measure his core body temperature and another in his trachea (an endotracheal tube) to help him breathe…Stem cells are undifferentiated cells with potential to give rise to many types of specialized cells. Lütfen birini seçin: O a. False O b. True