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Which of the following correctly identifies the subatomic particle with its electrical charge? * 1. protons (positive), electrons (neutral), neutrons (negative)
2. protons (positive), electrons (negative), neutrons (neutral)
3.protons (negative), electrons (positive), neutrons (neutral)
4.protons(neutral),electrons(negati ve),neutrons(positive)
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The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they
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Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above
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Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.
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Which of the following correctly identifies the subatomic particle with its electrical charge? * 1....
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