If the First ELISA Is Positive,then

question 17

Multiple Choice

If the first ELISA is positive,then:

• A) The diagnosis of AIDS is confirmed.
• B) The test is repeated in 6 to 8 months.
• C) Another blood sample must be obtained for testing.
• D) A Western blot test is performed on the same sample.

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Definitions:

Oncogene

An abnormally functioning gene implicated in causing cancer. Compare with proto-oncogene and tumor suppressor gene.

Cell Signaling

Mechanisms of communication between cells. Cells signal one another with secreted signaling molecules, or a signaling molecule on one cell combines with a receptor on another cell. See signal transduction.

Segment Polarity

Genetic and cellular mechanisms that establish anterior-posterior orientation within each segment of a developing embryo, crucial for proper patterning.

Drosophila Developmental Mutants

Genetic variants of fruit flies used to study developmental processes and genetic regulation during growth.