In humans, the antigen-presenting cells include all of the following EXCEPT ________.
A. macrophages
B. B cells
C. dendritic cells
D. eosinophils
Answer: D
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Most drugs used to slow the progress of AIDS fall into which of the following categories?
A. Protein synthesis inhibitors B. RNA polymerase II inhibitors C. Topoisomerase inhibitors D. Reverse transcriptase and protease inhibitors
In lilies, white flowers (W) are dominant to purple flowers (w). If two plants that are heterozygous for flower color are mated, the genotypic ratio of the offspring would be
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A drug that can create polyploids is known as ________
A) growth hormone B) astaxanthin C) colchicine D) arrestin E) carrageenan