Biology, 04.03.2021 14:00 serenabrown34
The lac operon consists of regulatory regions such as the promoter as well as the
structural genes lacZ, lacY, and lacA, which code for proteins involved in lactose
metabolism. What would be the outcome of a mutation in one of the structural genes of
the lac operon?
A Mutation in structural genes will stop transcription.
B Mutated lacY will produce an abnormal β galactosidase protein.
C Mutated lacA will produce a protein that will transfer an acetyl group to β
galactosidase.
D Transcription will continue but lactose will not be metabolized properly.
Answers: 2
Biology, 21.06.2019 21:20
In what part of a chloroplast does glucose production occur? a. atp synthase b. photosystem ii c. photosystem d. stroma
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Biology, 22.06.2019 07:50
45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.
Answers: 1
Biology, 22.06.2019 10:50
The small molecule cyclic amp (camp) takes about 0.2 second to diffuse 10 μm, on average, in a cell. suppose that camp is produced near the plasma membrane on one end of the cell; how long will it take for this camp to diffuse through the cytosol and reach the opposite end of a very large cell, on average? assume that the cell is 200 μm in diameter.
Answers: 1
The lac operon consists of regulatory regions such as the promoter as well as the
structural genes...
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