Which of the following is NOT a part of a DNA molecule? Question 3 options:

A. Nitrogen base

B. Phosphate group

C.5 Carbon sugar

D. Amino acid

The body is protected against harmful flu viruses by

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.

How does the human body lever work?