Biology, 18.11.2020 01:40 Christyy9608
A collector has a sample of a cloth that they think was from a mummy in Ancient Egypt. After inspection it is estimated that the cloth would have had about 0.0000013 grams of Carbon14 when it was new. Today there was found to be 0.0000009 grams remaining. Approximately how old is the cloth?
Answers: 3
Biology, 21.06.2019 17:20
The trp operon in e.coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.
Answers: 1
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Animals that have thick fur and ae able to store large amounts of body fat live where ?
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Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false
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Biology, 22.06.2019 19:00
Under which of the following circumstances would natural selection not operate on an organism
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A collector has a sample of a cloth that they think was from a mummy in Ancient Egypt. After inspect...
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