The triplet codes in DNA needed to specify a specific polypeptide chain are found in the:
A) gene. B) anticodon of tRNA.
C) cytoplasm. D) codon of mRNA.
Answer: A
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Define anatomical dead space. What is the relationship between anatomical and alveolar dead space? Which value is likely to increase during lung pathology?
What will be an ideal response?
A student in your lab volunteers to enter a hypoxic breathing chamber for 10 minutes, and his alveolar PO2 drops to 50 mm Hg. What other change would occur?
A) increase in alveolar PCO2 B) decrease in pH of cerebrospinal fluid C) decrease in arterial PCO2 D) decrease in arterial pH E) hypoventilation
Information about temperature, proprioception, and pressure from skin, joints, and muscles is conveyed by
A. viscerosensory pathways. B. somatosensory pathways. C. somatomotor pathways. D. visceromotor pathways.
The number of thoracic vertebrae is:
a. 5 b. 7 c. 10 d. 12