Type Aflu is described using the proteins H (hemagglutin) and N (neuraminidase). Why are these important (choose best answer)?
OH is how the flu gets into our cell and N is how the new flu particles get out
ON is how the flu gets into our cell and His how the new flu particles get out
OH refers to the organism where the flu started and N is what type of cell it infects

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

The plum pudding model of the atom states that ?

Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33