Biology, 20.07.2019 12:30 letyourmemesbedreams
The tryptophan operon is a repressible operon that is turned off whenever tryptophan is added to the growth medium. turned on only when tryptophan is present in the growth medium. turned on only when glucose is present in the growth medium. permanently turned on.
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Biology, 21.06.2019 18:30
Which of the following is an example of a tissue on the digestive system a.the stomach b.smooth muscle that lines the stomach c.nerve cells in the stomach d. enzyme molecules in the stomach
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Biology, 22.06.2019 19:00
Agroup of students are walking in the park and one of them takes a picture of a pollen grain that is been blown by the wind what caption can the student use for this picture
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Biology, 23.06.2019 00:00
How many neutrons does element x have if its atomic number is 29 and its mass number is 86?
Answers: 2
The tryptophan operon is a repressible operon that is turned off whenever tryptophan is added to the...
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