Biology, 10.11.2019 02:31 jamarishayw
The trp repressor binds to the operator region of dna as a dimer (two repressor protein subunits bound together as a unit).you isolate a new mutant e. coli strain that you call rnovel. in this strain, the repressor protein cannot attach to dna (it cannot bind trpo+), but it can make dimers. in this strain, how is expression of the trp operon regulated? a. constitutiveb. induciblec. repressibled. noninducible
Answers: 2
Biology, 21.06.2019 23:30
The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2
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Biology, 22.06.2019 07:30
How does secondary succession differ from primary succession?
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Biology, 22.06.2019 08:00
What is usually (but not always) related to the metabolic processes of living organisms in its organic form?
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The trp repressor binds to the operator region of dna as a dimer (two repressor protein subunits bou...
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