The Normal Alleles of Genes Such as C-Ras and C-Myc

question 20

Multiple Choice

The normal alleles of genes such as c-ras and c-myc produce proteins that regulate the cell cycle.When these genes are overexpressed,or when they produce proteins that function as dominant activators,the cell is

• A) cancerous.
• B) pre-disposed to become cancerous.
• C) immune from becoming cancerous.
• D) cancerous and Pre-disposed to become cancerous.
• E) None of these

---

Definitions:

Expressive Aphasia

A language disorder caused by damage to the brain that affects a person's ability to produce coherent speech and language.

Prosopagnosia

A specific inability to recognize faces, even very familiar ones, with intact recognition of other objects.

Arbitrariness

The lack of any necessary or natural relationship between a sign's physical form and its meaning.

Discreteness

The characteristic of data or systems that have distinct, separate values or components.