Hospitals supplies like individually wrapped syringes, are most commonly sterilized inside their packaging by
a. Treatment with acidic chemicals
b. Treatment with high pressure
c. Treatment with ultra-violet (UV) irradiation
d. Treatment with ionizing radiation
e. Treatment with halogen-containing solvents.
6 elements make up 96% of a microbial cell. which of the following is not one of those elements?
a. carbon
b. hydrogen
c. iron
d. oxygen
e. phosphorus
Microbes that are in the stationary phase of the growth curve will
a. have numbers that continue to increase exponentially
b. have numbers that dont change significantly short term
c. be both dividing and dying
d. have numbers that are decreasing significantly in a short period of time
e. B and C are both correct
Microbes use an electron transport system in order to
a. create a gradient of protons in order to make ATP
b. move protons in the cytoplasm to break-down ATP
c. transport protons into the nucleus.
d. transport glucose out of the cell for digestion . e. add electrons to growing cell wall polymers .