Which describes a promoter?
the first part of an operon that regulates where, when, and to what level a gene is expressed
the part of an operon that, if attached by a repressor protein, suppresses the expression of a gene
a cluster of genes that are expressed or repressed as a group
an enzyme that helps DNA unzip prior to transcription
Answers: 3
Biology, 22.06.2019 03:00, Wolfzbayne
Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point
Answers: 1
Biology, 22.06.2019 07:30, china2221
The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?
Answers: 1
Biology, 22.06.2019 08:30, QueenKy9576
Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.
Answers: 3
Biology, 22.06.2019 18:00, QueenFlowerCrown98
Define adaptation. why do organisms adapt? give an example.
Answers: 2
Which describes a promoter?
the first part of an operon that regulates where, when, and to what lev...
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