(Question)
Q: What powerful microscopes use a beam of subatomic particles instead of a beam of light? Choices: - complex microscopes - scientific microscopes - nuclear microscopes - electron microscopes A:
(Answer)
electron microscopes

(Question)
Q: Population growth is determined by rates of birth, death, immigration, and what else? Choices: - excitation - relaxation - exploitation - emigration A:
(Answer)
emigration

(Question)
Q: Oncogenes are involved in the formation of what disease? Choices: - autoimmune disease - heart disease - colds - cancer A:
(Answer)
cancer