Q: Atomic emission spectra are produced when excited electrons return to what state? Choices: - orbital state - work state - side state - ground state A:
ground state

Q: What can happen spontaneously or as a result of mutagens in the environment? Choices: - lesions - combustion - traits - mutations A:
mutations

Q: What consist of chains of small molecules called nucleotides? Choices: - Atomic acids - structural acids - nitrous acids - nucleic acids A:
nucleic acids

Q: In flowering plants, male gametophytes are in grains of what? Choices: - viruses - bacteria - nitrogen - pollen A:
pollen