Q: What are the layered rocks that form when certain prokaryotes bind thin films of sediment together? Choices: - stalagmites - quartzes - stalactites - stomatolites A:
stomatolites

Q: What makes up most of the inside of a plant? Choices: - star tissue - animal tissue - mitochondria - ground tissue A:
ground tissue

Q: What provides the identities of the reactants and products involved in the chemical change? Choices: - electron shells - genome sequence - atomic numbers - chemical formulas A:
chemical formulas

Q: An enzyme is an organic catalyst produced by what? Choices: - DNA - the liver - amino acid - living cell A:
living cell