Assertion: streptococcus | /r/HasProperty | catalase-negative
Facets:
Source sentences:
text: Most streptococci are oxidase-negative and catalase-negative, and many are facultative anaerobes (capable of growth both aerobically and anaerobically).
text: Staphylococci are catalase positive whereas streptococci are catalase-negative.
text: Streptococci are oxidase- and catalase-negative.