Biology, 08.09.2020 02:01 darrenmcfadden220
A mammoth carving, designed out of a horse's shoulder blade, was found in waters covering the ancient
Bering Strait and land bridge. A 0.500-gram piece of this bone was observed to undergo 1,187 carbon-14
decays in a 1-hour period. A 0.500-gram piece of bone from a modern source underwent 7,251 carbon-14
decays in the same period. Approximately how old is this bone carving?
Answers: 3
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Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?
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Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?
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Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different
Answers: 2
A mammoth carving, designed out of a horse's shoulder blade, was found in waters covering the ancien...
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