Clonal __________ is accomplished by triggering apoptosis of immature cells that would react with the body's proteins
Fill in the blank(s) with correct word
deletion
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The fetal shortcut from the right atrium to the left atrium is the
A. ductus arteriosus. B. foramen ovale. C. umbilical artery. D. ductus venosus. E. umbilical vein.
Which of the following regions corresponds to the buttocks?
A) pelvic B) cephalic C) gluteal D) lumbar E) thoracic
Select the correct statement about the pharynx
A) The pharyngeal tonsil is located in the laryngopharynx. B) The palatine tonsils are embedded in the lateral walls of the nasopharynx. C) The laryngopharynx blends posteriorly into the nasopharynx. D) The pharyngotympanic (auditory) tube drains into the nasopharynx.
Within the olfactory epithelium, which of the following are regenerative stem cells?
A) olfactory bulbs B) olfactory glands C) odorant-binding proteins D) basal cells E) olfactory tracts