Which of the Following Statements Describes Proto-Oncogenes

question 20

Multiple Choice

Which of the following statements describes proto-oncogenes?

• A)Their normal function is to suppress tumour growth.
• B)They are introduced to a cell initially by retroviruses.
• C)They are produced by somatic mutations induced by carcinogenic substances.
• D)They can code for proteins associated with cell growth.
• E)They are underexpressed in cancer cells.

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Definitions:

Public Goods

Commodities or services that are provided without profit to all members of a society, either by the government or a private individual or organization.

External Costs

Costs incurred as a result of an economic activity that are not reflected in the market price, often shouldered by society or the environment.

Unemployment

A situation where individuals who are able and willing to work are not able to find employment.

Efficient Allocations

The optimal distribution of resources among competing uses to achieve the highest overall level of welfare or utility.