The microorganisms associated with rheumatic fever are
A.staphylococci
B.streptococci
C.fungi
D.rickettsiae
A.staphylococci
B.streptococci
C.fungi
D.rickettsiae
A. Microbiology
B. Microeconomics
C. Microsociology
D.无
A.animals
B.plants
C.minerals
D.microorganisms
A、the scope of bacteria that an antibacterial agent kills or inhibits
B、the concentration of a drug that is required to kill or suppress the growth of microorganisms
C、the ability that a drug kills or suppresses the growth of microorganisms
D、the relative safety of a drug
A.The microorganisms brought up were of a species that is related to those previously known to science.
B.No holes have been drilled into the Earth" s surface to a distance deeper than 1. 74 miles.
C.The microorganisms did not come from surface soil that came into contact with the drilling equipment.
D.The stratum from which the samples came has been below the surface of the Earth ever since the Earth came into existence.
E.The temperature at the bottom of the holes drilled was not significantly hotter than that of the hottest spots on the Earth"s surface.
A、microorganisms and their effects
B、community and family life
C、human life
D、development of the human race
A、Species of microorganisms
B、Acidity or pH
C、Oxygen
D、Water
A、Increase the flavor of the food
B、Extend the shelf life of the food
C、Improve the sensory traits
D、Kill the microorganisms
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