In "ain't i a woman? ," why does truth repeat the phrase “ain’t i a woman? ” throughout the second paragraph? to suggest that audience should worry about her to reinforce the idea that men should be more to suggest that females are tougher than males to reinforce that she is strong, resilient and female

What correctly describes the relationship between the earth and the sun

Keeping in mind the life cycle of bacteriophages, consider the following problem: during the reproductive cycle of a temperate bacteriophage, the viral dna inserts into the bacterial chromosome where the resultant prophage behaves much like a trojan horse. it can remain quiescent, or it can become lytic and initiate a burst of progeny viruses. several operons maintain the prophage state by interacting with a repressor that keeps the lytic cycle in check. insults (ultraviolet light, for example) to the bacterial cell lead to a partial breakdown of the repressor, which in turn causes the production of enzymes involved in the lytic cycle. as stated in this simple form, would you consider this system of regulation to be operating under positive or negative control?

What is the ecological role of food chains and food webs