Q: Which metalloids are found in the nitrogen group? Choices: - polonium and antimony - selenium and antimony - sulfur and polonium - arsenic and antimony A:
arsenic and antimony

Q: In which type of cells are most organelles not found? Choices: - endoplasmic cells - eukaryotic cells - heterogeneous cells - prokaryotic cells A:
prokaryotic cells

Q: What is the term for physicians and scientists who research and develop vaccines and treat and study conditions ranging from allergies to aids? Choices: - endocrinologists - vaccinologists - virologists - immunologists A:
immunologists

Q: What is the female reproductive structure of a flower called? Choices: - the stamen - the pollinator - the stigma - the pistil A:
the pistil