Which of the following filtrates is not reabsorbed in significant quantities back into the bloodstream by the nephrons?
a. glucose
b. ions
c. urea
d. water
Ans: c. urea
You might also like to view...
George is experiencing problems with damaged cartilage in his knee and is eating cartilage from the bones of his steak so that his knee will more readily heal. Explain why he is not necessarily going to succeed in speeding up the repair of his knee
What will be an ideal response?
The negative logarithm of the hydrogen ion concentration in the solution is referred to as:
A. -OH concentration B. atomic mass C. electronegativity D. specific heat E. pH
What does the cell wall do when a plant cell is placed in a hypotonic solution?
a. It prevents diffusion. b. It prevents plasmolysis. c. It prevents the cell from bursting. d. It prevents active transport.
Which of the following is incorrect regarding the active site of an enzyme?
a. is unique to that enzyme b. is the part of the enzyme where its substrate can fit c. can be used over and over again d. is not affected by environmental factors such as pH and temperature