Which of the following is considered to be the wind pipe?
a) alveolar duct
b) bronchiole
c) trachea
d) esophagus
Answer: c) trachea
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The most important molecules for making the cell membrane selectively permeable are ________
A) Phospholipids B) Proteins C) Cholesterol D) ATP
The acromion is continuous with a prominent ridge of bone on the posterior surface of the scapula known as the
A) conoid tubercle. B) glenoid cavity. C) coracoid process. D) spine. E) inferior angle.
Hemoglobin that has released its O2
A. is broken down to heme and globin and excreted. B. loses its affinity for O2. C. will dissolve in the plasma. D. will bind more readily to CO2. E. will bind more readily to O2.
Why do certain cells in the ovaries and testes contain large amounts of SER?
A) The ovaries and testes produce large amounts of gametes and the large cells need SER to produce the phospholipids. B) The ovaries and testes produce large amounts of steroid hormones which are lipid based. C) The ovaries and testes produce large amounts of proteins from the ribosomes. D) The ovaries and testes have excess toxic waste production so large amounts of SER are used for detoxification. E) The ovaries and testes store large amounts of triglycerides.