Excel is a tool used to create a spreadsheet
design a brochure
make a presentation
met.
a) write a letter

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine. what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.

You should explain your chosen dna typing method and try to persuade scientists in the field that it’s the superior option. your pamphlet should describe the process involved with your chosen type, and the benefits of it, in terms of the accuracy of the results of the test and the usefulness of it in forensic science. your information can come from the module but should be supplemented with additional online research. provide details about how the dna and cells are used—keep your audience in mind!

Which food preservation method can people use at home? a. fermentation b. irradiation c. pasteurization d. thermal processing