The Percentage of the Federal Budget Devoted to Social Security

question 33

Multiple Choice

The percentage of the federal budget devoted to Social Security has

• A)increased dramatically over the last decade.
• B)decreased dramatically over the last decade.
• C)remained steady over the last decade.
• D)has always been negligibly small.

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Definitions:

Tumor Suppressor Gene

A gene that protects a cell from one step on the path to cancer. When this gene is mutated to cause a loss or reduction in its function, the cell can progress to cancer.

Growth Factor Gene

A gene that codes for a growth factor, which is a naturally occurring substance capable of stimulating cellular growth, proliferation, and cellular differentiation.

Oncogenes

Genes that have the potential to cause cancer by transforming a normal cell into a tumor cell when mutated or expressed at high levels.

Mitosis Stages

The phases of cell division including prophase, metaphase, anaphase, and telophase, through which a single cell divides into two genetically identical daughter cells.