In the cultivation of microaerophilic and anaerobic bacteria,
A. a(n) candle/anaerobe jar is sufficient.
B. atmospheric oxygen in a(n) candle/anaerobe jar is converted to water.
C.
a packet containing chemicals that generate carbon dioxide and hydrogen is used in a(n) candle/anaerobic jar.
D. oxidizing agents are incorporated into the media that react with oxygen.
B
You might also like to view...
The human ancestor whose populations dispersed from Africa to other parts of the world was
a. Homo sapiens b. Australopithecus afarensis. c. Pan troglodytes. d. Homo erectus.
Four of the five answers listed below are characteristics of mutations. Select the exception
a. predictable b. lethal or beneficial c. random d. effects depend upon environment e. heritable
One of the two strains of Streptococcus pneumoniae isolated in the 1920s was surrounded by a
____________________, giving it the ability to evade the immune system and cause pneumonia. Fill in the blank(s) with the appropriate word(s).
Compared to mammals and reptiles, what characteristic prevents amphibians from surviving far from water?
A) Their limbs are too weak to support their weight on land. B) They do not have any lungs and cannot breathe out of the water. C) Their eggs do not have an amnion which prevents them from drying out. D) Their cartilaginous endoskeleton would dry out on land.