An Example of Proteins That Evolved Similar Mechanisms by Convergent

question 37

Multiple Choice

An example of proteins that evolved similar mechanisms by convergent evolution is

• A) DNA polymerase and elastase.
• B) chymotrypsin and subtilisin.
• C) neuramidase and glycolase.
• D) actin and myosin.
• E) None of the answers is correct.

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Definitions:

Fixed Costs

Expenses that do not change with the level of production or sales activity, such as rent, salaries, and insurance premiums.

Contribution Margin

The amount by which sales revenue exceeds variable costs of goods sold, indicating how much revenue contributes towards covering fixed costs and generating profit.

Variable Costs

Expenses that change in proportion to the level of production or sales activity, such as raw materials and direct labor.

Break-even Sales

The amount of revenue needed to cover total costs, resulting in neither profit nor loss.