The study of e. coli led scientists to new experimental designs for studying operons. how did scientists begin studying operons?

they began to study cell division of cells under a microscope to determine how operons worked.

they began testing different chemicals on e. coli to determine the number of operons present.

they began reading the genome sequence of organisms to determine the number and organization of operons.

the last one is right easy points!

Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.

Which is an example of a decomposer? a. bear b. algae c. grass d. bacteria d bacteria

Which best describes carbon dioxide’s path out of the body