When microbes in close nutritional relationship and one benefits but the other is not harmed, it is called:

How would you grow a pyscrophillic facultative anaerobe that is a halophile? (select all conditions that apply to allow growth)

Escherichia coli bacterium doubles every 10 minutes and you have a starting inoculum of 50 colony forming units (CFU). How many colony forming units (CFU) will be present after 1 hours?

_________ bacteria have flagella protruding from a two sites.

All of the following are correct about prokaryotes, except:

Sue brought her daughter Amy to the pediatrician complaining of difficulty breathing after resolving an upper respiratory infection. The physician examines Amy and diagnoses her with bacterial pneumonia. Which of the following conclusions can be made? (select all that apply)

Gametes are ____, because these sex cells must combine to form a zygote after fertilization. 

Cultures of a bacterial species were incubated out on the incubator shelf, in an anaerobic jar and in a candle jar (closed jar with a candle added which burns until no oxygen remains). After incubation there was moderate growth of cultures in the candle and anaerobic jars, but heavy growth of the culture on the incubator shelf. This species is a/an:

Which of the following will reduce the length of time required to sterilize a microbial culture in an autoclave? (select all that apply)

Isopropyl alcohol wiped across a skin site prior to giving an injection can sterilize it.