Biology, 24.12.2019 23:31 Theresab2021
Using the car analogy for regulation of gene expression in which negative control is exerted by setting the parking brake and positive control occurs by stepping on the gas pedal, which answer best defines a component of lac operon control?
a. inducer (lactose) = acts by stepping on the gas pedal
b. cap binding site = part of gas pedal
c. repressor = releases the parking brake
d. operator = part of the gas pedal
Answers: 2
Biology, 21.06.2019 13:30
The majority of sulfur dioxide produced by industry comes from a. oil refineries. b. dry cleaners. c. chemical plants. d. coal-burning power plants.
Answers: 2
Biology, 21.06.2019 23:00
How do chloroplasts set plants apart from other living things
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Biology, 22.06.2019 02:00
Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z
Answers: 1
Biology, 22.06.2019 07:00
Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.
Answers: 1
Using the car analogy for regulation of gene expression in which negative control is exerted by sett...
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