A team of scientists is working with living cells to determine how a certain enzyme functions within the cells. They are most likely working in the field
of: **

the role of the microscope world in creating new materials .

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.