One possible side effect of this method of drug administration is destruction of the nasal septum and permanent loss of sense of smell

Aresearcher created three groups based on participants bmi: normal weight, overweight and obese. the hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. which statistical test might the researcher use, assuming a reasonably normal distribution of values.

Which of these structures are found in both plant ans animal cells?

Why do you suppose the structural polysaccharide cellulose does not contain branches?