How the parasitic worms protect themselves in the body of their host

Which would be the most useful source of evidence to support mcneill's contention?

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased