Most medicines have secondary symptoms called side effects.
a. true
b. false

The first three phases of the cell cycle are collectively known as (1 point) play audio cellular respiration. telophase. mitosis. interphase.

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

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