Products of diatoms are used in four of the following. Which one is the exception?
A. Biofuels
B. Ink
C. Filters
D. Cleaners
E. Insecticides
Answer: B
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What might be the best treatment for bladder cancer?
a. radiation therapy b. surgery c. chemotherapy d. gene therapy
DNA sequencing makes use of dideoxynucleotides that ________
a. can be incorporated into a growing strand but cannot bind to the next nucleotide in the sequence b. have normal sugar-phosphate backbones but altered base structures c. carry pigment molecules in place of phosphate groups d. behave chemically exactly as normal nucleotides do but are labeled with colored pigments
Which of these is NOT a direct factor that controls biotic potential?
A. The age at which reproduction generally begins B. The resources available for each individual C. Reproductive rate D. Predators and pathogens E. Genetic mutations
A yellow jacket, an insect in the order hymenoptera, stung you. Then a wasp, an insect in hymenoptera, stung you as well. A hornet, an insect in hymenoptera, stung you last. It is an observable pattern that all insects in this order must have stingers. The type of reasoning this represents is
A. deductive reasoning. B. inductive reasoning. C. reductionism. D. comparative reasoning.