Which of the following respiratory membrane layers is closest to air in the alveolus?
A. alveolar epithelium
B. alveolar basement membrane
C. capillary basement membrane
D. capillary endothelium
E. alveolar fluid (with surfactant)
E
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Blood that has clotting proteins removed is termed
A) whole blood. B) hematocrit. C) formed elements. D) serum. E) plasma.
When a muscle contraction occurs:
a. the actin gets shorter b. the myosin gets shorter c. the Z-lines are pulled closer together d. both A and B
A growth plate is a cartilage joint
Indicate whether the statement is true or false
During transcription
A. a protein is formed as a DNA sequence is read. B. an RNA molecule is formed as a DNA sequence is read. C. a protein is formed as a RNA sequence is read. D. an amino acid is transferred to a ribosome as a DNA sequence is read. E. a DNA sequence is formed as a RNA sequence is read.