Biology, 16.12.2020 05:40, cinderalla16dh

Is a heart an organism?

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Biology, 21.06.2019 17:20, owensdonld

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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Biology, 21.06.2019 19:50, thedocgalloway

Which experiment would most likely contain experimental bias ?

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Biology, 22.06.2019 08:00, rosepotato789

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a. one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b. one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c. one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.

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Biology, 22.06.2019 14:00, mariana5493