You have discovered a novel steroid hormone. You'd like to isolate its receptor as part of your next project. Where should you look first?
A. In the blood stream
B. On the cell surface
C. In the cytoplasm
D. Any of these might be places where the receptor could be found.
Answer: C
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Which of the following structures helps to regulate body temperature?
A. Fenestrae B. Metarteriole C. Tunic D. Glomus
What are the three distinct waveforms called that are found in a normal ECG?
a. A wave, B wave, C wave b. Q wave, R wave, S wave c. Q wave, R complex, S wave d. P wave, RST complex, Q wave e. P wave, QRS complex, T wave
Which of the following statements best describes relaxin?
A. Relaxin is produced by the testes and stimulates secretion of the reproductive glands. B. Relaxin is produced by the ovaries and increases the flexibility of connective tissue. C. Relaxin is produced by the adrenal cortex and maintains normal metabolism. D. Relaxin is produced by the parathyroid glands and triggers the release of calcium from the bones.
The appendicular skeleton includes the bones of the upper and lower extremities and their supporting elements called
A) joints. B) girdles. C) sutures. D) ball and socket. E) rotator cuffs.