Of the following, which cleft is NOT correctly matched to the structures that have failed to fuse?
A. Bilateral Cleft of Secondary Palate - Maxillary and Lateral Nasal Prominences
B. Median Cleft of Lower Lip - Mandibular Prominences
C. Median Cleft of Upper Lip - Medial Nasal Prominences
D. Oblique Facial Cleft - Maxillary Prominences, Medial & Lateral Nasal Prominences
E. Unilateral Cleft of Upper Lip - Maxillary and Medial Nasal Prominence, Unilaterally
Answer: A. Bilateral Cleft of Secondary Palate - Maxillary and Lateral Nasal Prominences
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a. the sun b. chemical reactions c. the water d. other organisms. e. glucose
What would be the most direct result of an individual having an inability to produce surfactant in their alveoli?
A. The alveoli would be much more likely to harbor infections. B. Oxygen exchange with the blood would be impaired due to a thickening of the epithelium. C. The alveoli would fill with fluid due to an ion transport defect. D. Carbon dioxide exchange with the blood would be impaired due to an inhibition of carbonic anhydrase. E. The alveoli would physically collapse.
Cancer results when cells lose the ability to
A) divide rapidly. B) control the cell cycle. C) induce mutations. D) spread.
Which technique reduces the amount of a specific RNA or protein produced by an organism?
a. knockout b. chain termination c. knockdown d. transgenesis e. knock-in