Which of the following is an effect of the transporters in the proximal tubules?
A) secretion of potassium
B) reabsorption of bicarbonate
C) secretion of sodium
D) secretion of urea
E) reabsorption of hydrogen
Ans: B) reabsorption of bicarbonate
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Select the incorrect statement about the postreceptor events of hydrophilic hormones
a. Adenyl cyclase forms cAMP. b. cAMP is a secondary messenger. c. Some hydrophilic hormones use calcium ions as a secondary messenger. d. The hydrophilic hormone binds to a cytoplasmic receptor to activate the second messenger system e. cAMP activates protein kinase
In the phrase "nature vs. nurture", the word nurture refers to __________________:
a. characteristics you inherit b. environmental factors such as culture, education and experience c. the genetic characteristics you receive from your mother d. the role of DNA in shaping your behavior
The ureter directly receives urine from the _____ of the kidney.
A) cortex B) pelvis C) medulla D) pyramid
Compare and contrast ionic and covalent bonds
What will be an ideal response?