Which one of the following statements accurately describes a characteristic of red blood cells?

The population of bacteria in a petri dish doubles every 40 seconds. the population of the bacteria is initially 400 organisms. what unit is most appropriate for the time at which the number of bacteria is 300? hour bacteria per hour second bacteria per second

Chicken pox and hepatitis are bacterial diseases. true or false?

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.