Q: The urea cycle, a set of biochemical reactions that produces urea from ammonium ions to prevent toxicity, occurs to some extent in the kidney, but primarily in what organ? Choices: - spleen - skin - colon - liver A:
liver

Q: Pyramids of net production and biomass reflect what level of efficiency? Choices: - high - medium - extreme - low A:
low

Q: Do nonvascular or vascular plants have a dominant sporophyte generation? Choices: - nonvascular - deciduous - perennial - vascular A:
vascular