Nonpolar hormones can pass through the intestinal cell membrane without being digested, and therefore can be taken orally. What hormones might therefore be available as pills?
A. Thyroid hormones and steroid hormones
B. Insulin and growth hormone
C. Calcitonin and glucagon
D. Melatonin and prolactin
E. Oxytocin and antidiuretic hormone
Answer: A
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A. Air moves into the lungs during inhalation and air moves out of the lungs during exhalation. B. Air moves in a continuous, unidirectional flow through the lungs. C. Water is pumped back and forth across the respiratory system. D. The ventilation rate increases and decreases at regular intervals. E. None of the answer options is correct.
Once glucose is converted into the 2 pyruvates what will happen to them next? a. They will be reduced down in the cytoplasm
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The dominant primary producers in tropical open ocean areas are:
a. large net phytoplankton. b. small nanoplankton. c. diatoms. d. algae. e. seaweeds.
The pH indicator in the Simmon's Citrate Agar is
A. Bromothymol blue B. Bromothymol green C. Bromocresol blue D. Bromocresol purple E. Bromocresol green