The doppler effect indicates that the universe is expanding a. light from other galaxies is the same color b. light from other galaxies is different colors c. light from other galaxies is blue shifted d. light from other galaxies is red shifted

Cells destroy body cells infected by a virus or bacteria.

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the: