Q: What contains more calcium than any other organ? Choices: - fingernails - gall bladder - lungs - bones A:
bones

Q: Acetone is the simplest type of what organic compound that involves a carbonyl in which the carbon atom makes single bonds with two other carbon atoms? Choices: - enzyme - protein - anion - ketone A:
ketone

Q: The cell wall acts as an extra layer of protection, helps the cell maintain its shape, and prevents what? Choices: - extinction - exhaustion - Respiration - dehydration A:
dehydration

Q: A species is a subdivision of a genus in what classification system? Choices: - calcareous system - mammalian - crocodilian system - linnaean system A:
linnaean system