If a Tumor Suppressor Gene Becomes Mutated,which of the Following

question 32

Multiple Choice

If a tumor suppressor gene becomes mutated,which of the following is not true?

• A)Apoptosis is less likely to occur.
• B)The cell cycle continues when it should not.
• C)A "gain-of function" mutation has occurred.
• D)Genes that encode enzymes that repair DNA are not turned on.
• E)Genes that stop the cell cycle are not turned on.

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Definitions:

Dynamic Equilibrium

A condition of a system in approximate steady state where there is a balanced inflow and outflow of materials.

Graded Stream

A stream in equilibrium, showing a balance between its capacity to transport sediment and the amount of sediment supplied to it, thus with no overall erosion or deposition of sediment.

Meander

A sinuous curve or bend in the course of a stream or river.

Migration

The movement of organisms from one area to another, often seasonally or as part of their lifecycle.