Table 6.2 The following data show growth of two bacteria on different media.
$$\begin{array}{l}
\text { Amount of Growth }\
\begin{array} { | l | c | c | }
\hline & \text { Staphylococcus aureus } & \text { Streptococcus pyogenes } \
\hline \text { Nutrient agar } & + + & + + \
\hline \text { Nutrient agar } + 7.5 \% \mathrm { NaCl } & + & - \
\hline
\end{array}
\end{array}$$ The data in Table 6.2 indicate that S. aureus is a(n)
A) facultative halophile.
B) halophile.
C) facultative anaerobe.
D) aerobe.
E) mesophile.

Question

Table 6.2 The following data show growth of two bacteria on different media.
$$\begin{array}{l}
\text { Amount of Growth }\
\begin{array} { | l | c | c | } 
\hline & \text { Staphylococcus aureus } & \text { Streptococcus pyogenes } \
\hline \text { Nutrient agar } & + + & + + \
\hline \text { Nutrient agar } + 7.5 \% \mathrm { NaCl } & + & - \
\hline
\end{array}
\end{array}$$ The data in Table 6.2 indicate that S. aureus is a(n)
A) facultative halophile.
B) halophile.
C) facultative anaerobe.
D) aerobe.
E) mesophile.

Quizplus · Accepted Answer

S. aureus can grow in the presence of 7.5% NaCl, indicating it is a facultative halophile, which can tolerate high salt concentrations but does not require them for growth.

Table 62 the Following Data Show Growth of Two Bacteria on on Different