In mammals,the degradation product of purine nucleotides is ____________.
A) urine
B) ammonia
C) nitric acid
D) uric acid
Correct Answer:
Verified
Q9: The tendency of a solution to take
Q10: ADH makes the collecting ducts _.
A)impermeable to
Q11: The reabsorption of glucose,amino acids,and many other
Q12: The excretory organs in the insects create
Q13: Marine reptiles eliminate excess salt by means
Q15: Kidneys are thought to have evolved first
Q16: The vertebrate kidney produces a fluid called
Q17: Modifications,particularly the presence of the loop of
Q18: The _ fluid concentration is constant in
Q19: The organ that performs filtration and reabsorption
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