Which describes a promoter? a. the first part of an operon that regulates where, when, and to what level a gene is expressed b. the part of an operon that, if attached by a repressor protein, suppresses the expression of a gene c. a cluster of genes that are expressed or repressed as a group d. an enzyme that dna unzip prior to transcription
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Biology, 22.06.2019 06:30
What is the problem in this article? what solution does the article propose?
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Biology, 22.06.2019 13:50
Interactions between organisms and their environment impact the organism’s overall population. the jaguar panthera onca is the largest cat in north america. it is found in areas across the southwest, including arizona, new mexico, and texas. it is a carnivore that has powerful jaws and sharp teeth and preys on fish, turtles, tapirs, and many smaller mammals. which shows the relationship between the jaguar and turtles?
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Biology, 22.06.2019 14:00
The polio virus can cause skeletal muscle paralysis by destroying neuron cell bodies. what area of the spinal cord is destroyed
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Which describes a promoter? a. the first part of an operon that regulates where, when, and to what...
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