Which of Thfollowing Statements May Apply to Early Cells

question 15

Multiple Choice

Which of thfollowing statements may apply to early cells?

• A)They were prokaryotic cells.
• B)It is likely that early cells did not have a nucleus but had membrane-bound organelles.
• C)Early cells may have used oxygen gas in order to thrive successfully.
• D)Energy from the sun may have been used by early cells.
• E)All of these statements apply.

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Definitions:

Contribution Margin

The amount remaining from sales revenue after variable costs have been deducted, indicating the capacity to cover fixed costs and generate profit.

Fixed Costs

Costs that do not vary with the level of production or sales within a certain range, such as rent, salaries, and insurance.

Variable Cost

A cost that varies with the level of output or activity, such as materials and labor costs.

Operating Leverage

A financial ratio that measures the degree to which a firm or project can increase operating income by increasing revenue.