The Following Questions Refer to the Description and Table 28

question 42

Multiple Choice

The following questions refer to the description and Table 28.1 below.
Diatoms are encased in Petri-plate-like cases (valves) made of translucent hydrated silica whose thickness can be varied. The material used to store excess calories can also be varied. At certain times, diatoms store excess calories in the form of the liquid polysaccharide, laminarin, and at other times, as oil. Below are data concerning the density (specific gravity) of various components of diatoms, and of their environment.
Table 28.1: Specific Gravities of Materials Relevant to Diatoms
$$\begin{array} { l l } \text { Material } & \text { Specific Gravity } ( \mathrm { kg } / / \mathrm { m }^{3} ) \\\text { Pure water } & 1000 \\\text { Seawater } & 1026 \\\text { Hydrated silica } & 2250 \\\text { Liquid laminarin } & 1500 \\\text { Diatom oil } & 910\end{array}$$
-What makes certain red algae appear red?

• A)They live in warm coastal waters.
• B)They possess pigments that reflect and transmit red light.
• C)They use red light for photosynthesis.
• D)They lack chlorophyll.
• E)They contain the pigment bacteriorhodopsin.

Analyze the effects of changes in operational activities on absorption costing net operating income.

Calculate contribution margin for business segments.

Understand and calculate segment margins for different business segments.

Comprehend and apply the concept of break-even analysis in diverse business divisions.

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