Table 73
the Following Data Were Obtained by Incubating the Bacteria

question 18

Multiple Choice

Table 7.3
The following data were obtained by incubating the bacteria in nutrient medium + disinfectant for 24 hr, then transferring one loopful to nutrient medium (subculturing.) $\quad\quad\quad\quad\quad\quad\quad\quad \underline{\text { Doom }} \quad \quad\quad\quad\quad\quad\quad\underline{K O}$
$\begin{array}{rrrrr}\text { Dilution } & \text { Initial } & \text { Subculture } & \text { Initial } & \text { Subculture } \\1: 16 & - & + & + & + \\1: 32 & - & + & + & + \\1: 64 & - & + & + & + \\1: 128 & + & + & + & +\end{array}$

$\quad\quad\quad\quad\quad\quad\quad\quad \underline{\text { Mortum } }\quad\quad\quad\quad\quad\quad \underline{\text { Sterl }}$
$\begin{array}{rrrrrr}\text { Dilution } & \text { Initial } & \text { Subculture } & \text { Initial } & \text { Subculture } \\1: 16 & - & - & - & + \\1: 32 & - & + & + & + \\1: 64 & + & + & + & + \\1: 128 & + & + & + & +\end{array}$
-In Table 7.3, which disinfectant is the most effective at stopping bacterial growth?

• A) Doom
• B) K.O.
• C) Mortum
• D) Sterl
• E) Can't tell

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Definitions:

Demand Curve

The demand curve is a graphical representation showing the relationship between the price of a product or service and the quantity demanded by consumers.

Quantity Demanded

The volume of a commodity or service that people are ready and capable of acquiring at a given price point.

Economists

Professionals who study, develop, and apply theories and concepts in economics to understand how individuals, businesses, and societies allocate resources.

Supply Curves

Graphical representations that show the relationship between the price of a good and the quantity of that good that a supplier is willing to supply.