Where are aquaporins found?
A. In the macula densa
B. In intercalated cells in the collecting duct
C. In the proximal convoluted tubule
D. In principal cells in the collecting duct
E. In the loop of Henle
D. In principal cells in the collecting duct
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Anabolic steroids are ______ forms of testosterone.
A) natural B) synthetic C) super-active D) ineffective
These hormones control the uterine cycle
A) LH and progesterone B) estrogen and progesterone C) FSH and LH D) FSH and estrogen
For the resting membrane potential, increasing the Na+ concentration in the ECF results in
A. little change in membrane potential. B. depolarization. C. hyperpolarization. D. hypopolarization. E. There is not enough information to determine the results.
What is the functional importance of the intercalated discs of cardiac muscle? What is the functional importance of the fibrous skeleton of the heart?
What will be an ideal response?