Filtration occurs in which section of mammalian
nephrons?
a. glomerular capillaries in Bowman's capsule
b. loop of Henle
c. proximal tubule
d. distal tubule
e. peritubular capillaries
Answer: a
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Ecdysone inhibitors are used as
a. insecticides. b. nematocides. c. herbicides. d. insecticides and nematocides. e. insecticides, nematocides, and herbicides.
Which of the following relationships is correct?
a. insects: Malpighian tubules: urea as major nitrogenous waste b. annelids: protonephridia: ammonia as major nitrogenous waste c. freshwater fish: kidney: large volume of hypertonic urine d. sharks: kidney: large volume of hypotonic urine e. earthworm: kidney: ammonia as major nitrogenous waste
The toxin of Vibrio cholerae causes profuse diarrhea because it _____
A) modifies a G protein involved in regulating salt and water secretion B) binds with adenylyl cyclase and triggers the formation of cAMP C) signals IP3 to act as a second messenger for the release of calcium D) modifies calmodulin and activates a cascade of protein kinases
How many net ATP are made from stage 1 glycolysis
What will be an ideal response?