Which of these statements is true? a. mitosis brings genetic variety to a species. b. meiosis involves two cycles of cell division. c. mitosis produces four identical cells. d. meiosis your body heal itself.

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata

Which example describes a mutualistic relationship between organisms? young wasps prey on caterpillars. crabs eat the remains of dead fish. tapeworms feed on food in the intestines of cats ants protect a tree on which they feed.