How much DNA would be contained in 200 µm of a sample that has an absorbance at 260 nm of 0.40 and an absorbance 280 nm of 0.20?
A. 4 µm
B. 6 µm
C. 8 µm
D. 10 µm
A
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Which appendix in ICD-9 contains a list of the 3-digit categories for occupational hazards divided into subcategories?
A. Appendix E B. Appendix D C. Appendix B D. Appendix A E. Appendix C
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The mandibular first, second and third molars all have the same distal contact area.
Answer the following statement true (T) or false (F)
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When a muscle contracts, it is: a. responding to stimuli. b. tightening
c. stretching. d. relaxing.
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What did ancient civilizations such as the Minoans, Myceneans, and Egyptians use thousands of years before the "germ theory" was postulated?
A. Antibiotics B. Drainage and toilet systems C. Vaccinations D. Antiseptics
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