All of the Following Are Ways Cancer Cells Avoid Growth

question 3

Multiple Choice

All of the following are ways cancer cells avoid growth and invasion restriction imposed by the immune system except

• A)they are heterogeneous groups of cells.
• B)cancer cells often respond to density-dependent growth factors.
• C)some cancer cells produce leukotoxins.
• D)some cancers often "hide" in dense supporting tissue.
• E)some cancers produce low levels of surface antigens.

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Definitions:

Butyllithium

A powerful base and nucleophile used in organic synthesis to deprotonate hydrogens or to initiate anionic polymerization processes.

Benzaldehyde

An organic compound characterized by a benzene ring with an aldehyde functional group, known for its almond-like aroma and used in flavoring and perfume.

Methylamine

A simple organic compound with the formula CH3NH2, characterized by a strong ammonia-like odor, used in the production of pesticides and pharmaceuticals.

Reagents

Substances or compounds added to a system to cause a chemical reaction or are used to test for the presence of another substance.