The Endosymbiont Theory Is Supported by the Following Evidence Except

question 27

Multiple Choice

The endosymbiont theory is supported by the following evidence except:

• A)Mitochondria are surrounded by two membranes.
• B)Mitochondrial ribosomes are similar to bacterial ribosomes.
• C)Mitochondria contain circular molecules of DNA.
• D)Mitochondria divide by binary fission.
• E)Mitochondria have a matrix.

---

Definitions:

Sales Mix

The combination of different products or services that a company sells, influencing overall sales volume and profitability.

Contribution Margin Ratio

The percentage of each sale that contributes to covering fixed costs, calculated as (Sales - Variable Costs) / Sales.

Margin of Safety

The difference between actual sales and the break-even point, measuring the risk of not covering fixed costs.

Pre-tax Income

The amount of income earned by an individual or company before any taxes have been deducted.