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

question 35

Multiple Choice

Table 6.2
The following data show growth of two bacteria on different media. $\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\text { Amount of Growth }$
$\begin{array}{ll}&\text { Staphylococcus aureus }&\text { Streptococcus pyogenes }\\\text { Nutrient agar }&++&++\\\text { Nutrient agar }+7.5 \%\\\mathrm{NaCl}&+&-\end{array}$

-The data in Table 6.2 indicate that S. aureus is a(n)

• A) Facultative anaerobe.
• B) Facultative halophile.
• C) Halophile.
• D) Aerobe.
• E) Mesophile.

---

Definitions:

Contribution Margin Ratio

The proportion of sales revenue that exceeds variable costs, representing the amount contributing to covering fixed costs and generating profit.

Operating Income

Earnings generated from a company's core business operations, excluding expenses and revenues that are not related to the primary activities.

Variable Costs

Variable costs are expenses that change in proportion to the activity of a business, such as sales volume or production levels.

Operating Income

The profit realized from a business's core operational activities, excluding deductions of interest and tax.