Why does the oil immersion objective require a drop of immersion oil on the slide?
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Biology, 11.09.2021 04:20 hanchinsko12
Why does the oil immersion objective require a drop of immersion oil on the slide?
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Answers: 1
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.
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In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?
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All ova contain sex chromosomes corresponding to: x y xx xy
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