Which of these is the best evidence that the influenza virus continues to evolve? A)
The flu can spread worldwide in a season.
B)
The flu has multiple symptoms, impacting respiratory, digestive, and
muscular systems in humans.
Flu vaccines must be administered annually to reduce the likelihood of flu
infection during flu season.
D)
The flu continues to have high rates of mortality in the most elder and
youngest subset of the human population.

In german cockroaches, curved wing (cv) is recessive to normal wing (cv+). bill, who is raising cockroaches in his dorm room, finds that the frequency of the gene for curved wings in his cockroach population is 0.6. in his friend joe’s apartment, the frequency of the gene for curved wings is 0.2. one day joe visits bill in his dorm room, and several cockroaches jump out of joe’s hair and join the population in bill’s room. bill estimates that, now, 10% of the cockroaches in his dorm room are individual roaches that jumped out of joe’s hair. what is the new frequency of curved wings among cockroaches in bill’s room? 0.69 0.4 0.5 0.31 0.20

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing

The (blank) states that all loving things are made of cells.