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Exam 13: The Molecular Basis of Inheritance

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Exam 1: Introduction: Evolution and the Foundations of Biology36 Questionsadd course
Exam 2: The Chemical Context of Life135 Questionsadd course
Exam 3: Carbon and the Molecular Diversity of Life136 Questionsadd course
Exam 4: A Tour of the Cell75 Questionsadd course
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Exam 9: The Cell Cycle57 Questionsadd course
Exam 10: Meiosis and Sexual Life Cycles59 Questionsadd course
Exam 11: Mendel and the Gene Idea57 Questionsadd course
Exam 12: The Chromosomal Basis of Inheritance43 Questionsadd course
Exam 13: The Molecular Basis of Inheritance62 Questionsadd course
Exam 14: Gene Expression: From Gene to Protein77 Questionsadd course
Exam 15: Regulation of Gene Expression48 Questionsadd course
Exam 16: Development,stem Cells,and Cancer34 Questionsadd course
Exam 17: Viruses35 Questionsadd course
Exam 18: Genomes and Their Evolution31 Questionsadd course
Exam 19: Descent With Modification61 Questionsadd course
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Exam 25: The Origin and Diversification of Eukaryotes80 Questionsadd course
Exam 26: The Colonization of Land by Plants and Fungi128 Questionsadd course
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Exam 29: Resource Acquisition,nutrition,and Transport in Vascular Plants115 Questionsadd course
Exam 30: Reproduction and Domestication of Flowering Plants72 Questionsadd course
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Exam 32: Homeostasis and Endocrine Signaling116 Questionsadd course
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Exam 34: Circulation and Gas Exchange94 Questionsadd course
Exam 35: The Immune System96 Questionsadd course
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Exam 39: Motor Mechanisms and Behavior83 Questionsadd course
Exam 40: Population Ecology and the Distribution of Organisms93 Questionsadd course
Exam 41: Ecological Communities59 Questionsadd course
Exam 42: Ecosystems and Energy86 Questionsadd course
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In trying to determine whether DNA or protein was the genetic material,Hershey and Chase made use of which of the following facts about these two types of molecules?

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Question 61

For a science fair project,two students decided to repeat the Hershey and Chase experiment,with modifications.They decided to label the nitrogen of the DNA rather than the phosphate.They reasoned that each nucleotide has only one phosphate and two to five nitrogens.Thus,labeling the nitrogens would provide a stronger radioactive signal than labeling the phosphates.Why won't this experiment work?

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Question 62
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