Several Years Ago, a Man Noticed a Small Mole on His

question 23

Multiple Choice

Several years ago, a man noticed a small mole on his wrist. Years later, the mole grew in size and the man was diagnosed as having metastatic melanoma. This was likely the result of:

• A)a single mutation affecting one proto-oncogene in a cell.
• B)a single mutation inactivating a tumor suppressor gene.
• C)several mutations affecting proto-oncogenes and/or tumor suppressor genes.
• D)None of the other answer options is correct  cancers arise spontaneously, independent of mutations.

---

Definitions:

Operating Expenses

Costs associated with the normal operations of a business, excluding the costs of goods sold, such as rent, utilities, and payroll.

Total Service Department Charges

The collective costs charged by service departments within an organization for their services to other departments.

Income From Operations

The profit realized from a business's own operations, excluding income from other sources and before taxes and interest expenses.

Profit Center

A profit center is a branch or division of a company that is treated as a separate unit for the purpose of assessing its revenue-generating ability and profitability.