A Lab Technician Is Preparing to Dispose of a Rat

question 18

Multiple Choice

A lab technician is preparing to dispose of a rat and a frog that were euthanized earlier in the day for a scientific study.Although the two animals died at the same time, the rat has rigor mortis while the frog does not yet show any signs of it.What is the best explanation for this time difference in the onset of rigor mortis?

• A)The rat has higher concentrations of myoglobin in its muscles than the frog.
• B)All the frog's muscles are fast-twitch muscles.
• C)The rat's muscles have a greater density of myofilaments than the frog's muscles.
• D)The frog has lower concentrations of glycogen in its muscles than the rat.

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Definitions:

CVP Analysis

Short for Cost-Volume-Profit Analysis, it's a management accounting technique used to analyze how changes in costs and volume affect a company’s operating income and net income.

Sales Mix

The combination of different products or services that a company sells, significantly impacting its profitability due to differing margins on each item.

Break-Even Point

The volume of production or sales at which total revenues equal total expenses, with no profit or loss.

Variable Expense Per Unit

The cost that varies with each unit produced or sold, affecting the company's total variable expenses directly.