How Have Scientists Historically Identified Oncogenes

question 48

Multiple Choice

How have scientists historically identified oncogenes?

• A)by introducing the DNA suspected of containing the oncogene into cultured cells and looking for altered growth properties
• B)by fusing two normal cells together
• C)by fusing two malignant cells together
• D)by introducing the DNA suspected of containing the oncogene into cultured cells and looking for altered nuclear membranes

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Definitions:

Vas Deferens

The duct that conveys sperm from the testicle to the urethra.

Seminal Vesicle

A gland in males that secretes fluid that partly composes the semen.

Seminal Fluid

The fluid that, together with spermatozoa, forms semen and provides nutrients and protection for sperm.

Interstitial Cells

Cells of the male reproductive system that secrete the androgens (such as testosterone).