HeLa Cells Display a Variety of Abnormalities

question 40

Multiple Choice

HeLa cells display a variety of abnormalities.Which is most associated with their ability to divide repeatedly?

• A) The cell line shows evidence of having been infected with HPV (human papillomavirus).
• B) HeLa cells express the telomerase gene and are able to reconstruct the ends of their chromosomes after each round of cell division.
• C) The cell line is quadraploid (having four sets of chromosomes) rather than diploid (having two sets of chromosomes) like all normal somatic cells.
• D) The HeLa cell line was exposed to cosmic radiation prior to developing its unusual reproductive capabilities.

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Definitions:

Periodic Revision

The regular review and alteration of content or policies to ensure accuracy, relevance, and efficacy.

Early Childhood

The period in human development extending from birth to the beginning of formal schooling, around age 5 or 6.

Highly Accurate

Describes a measurement or result that is extremely precise and close to the true value.

Retrieval Cues

Stimuli or signals that help recall memories and information from the brain.