To cultivate Legionella in the laboratory, a medium supplemented with what ingredient(s) is necessary?
a. L-cysteine and iron
b. Blood and cysteine
c. Dopa-cysteine
d. Nicotinic adenine
A
Only one genus, Legionella, exists in the Legionellaceae family. All members of this genus are faintly staining, thin, gram-negative bacilli that require a medium supplemented with iron and L-cysteine and buffered to pH 6.9 for optimal growth.
You might also like to view...
_____ argued that markets could be managed to dampen business cycles and promote full employment.
A) John Maynard Keynes B) Milton Friedman C) Friedrich Hayek D) Margaret Thatcher
Pure cultures cannot be isolated using the ______ method
a. roll tube b. streak plate c. most probable number d. agar dilution
Debridement of diseased tissue is important in the care of patients with gas gangrene.
Answer the following statement true (T) or false (F)
DNA replication is a complex and ungoverned process, and, as a result, the frequency of error is quite high.
Answer the following statement true (T) or false (F)