Help fast plz A mutation in an allele in an individual newt gave that newt faster reflexes. It is found that, after many generations, most of the newt population has the new allele. Which of the following most likely caused this change?
a) The newt gave its mutated allele to other adult newts.
b) Other newts learned to copy the strategies of the mutated newt.
c) The same mutation occurred in other newts as a result of environmental
conditions.
d) Newts with the mutation are better able to survive and reproduce than newts
without the mutation.

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity

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?

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi