Biology, 12.03.2021 20:10 emilylittle2442
PLEASE HELP
The tryptophan operon in some bacteria is a repressible operon. Which of the following statements correctly describes this operon?
It is activated only when glucose is present in the growth medium.
It is deactivated whenever tryptophan is added to the growth medium.
It is activated only when tryptophan is present in the growth medium.
It is permanently active.
Answers: 2
Biology, 22.06.2019 00:40
3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.
Answers: 1
Biology, 22.06.2019 08:50
How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different
Answers: 1
Biology, 22.06.2019 10:40
Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic
Answers: 1
PLEASE HELP
The tryptophan operon in some bacteria is a repressible operon. Which of the following...
Mathematics, 28.05.2021 21:00
Mathematics, 28.05.2021 21:00
Geography, 28.05.2021 21:10
Arts, 28.05.2021 21:10
Biology, 28.05.2021 21:10
Mathematics, 28.05.2021 21:10
History, 28.05.2021 21:10
Mathematics, 28.05.2021 21:10
Mathematics, 28.05.2021 21:10
Computers and Technology, 28.05.2021 21:10
Mathematics, 28.05.2021 21:10