You have just come back from a three-month-long expedition in the amazon rain forest. as you take off the hat you wore throughout the trip, you notice some unusual particles. always curious, you put one of these particles in a drop of water on a microscope slide and take a look through your microscope. having seen some cells under the microscope before, you recognize that these particles appear to be made of cells. recalling what you have learned about cells, you marvel at the ability of these tiny things to support their life functions. you then remember that they could not easily get much bigger without drastic changes. explain why cells are so small, considering the relationship between surface area and volume for objects of different sizes but similar shapes.

Cultures of the lake of the ozarks water samples were grown on enrichment media for identification. however, these organisms are present to some degree in all samples. an important question from a clinical perspective is whether or not there is a significant increase in the fecal coliform populations that would put people's health at risk. if you were part of the team investigating this outbreak, how would you best enumerate the fecal coliform threat? view available hint(s) cultures of the lake of the ozarks water samples were grown on enrichment media for identification. however, these organisms are present to some degree in all samples. an important question from a clinical perspective is whether or not there is a significant increase in the fecal coliform populations that would put people's health at risk. if you were part of the team investigating this outbreak, how would you best enumerate the fecal coliform threat? direct microscopic counts filtration count culture serial dilution count culture plate count culture

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?