How Are Malignant Tumors Different from Benign Tumors

question 24

Multiple Choice

How are malignant tumors different from benign tumors?

• A)Malignant tumors grow by expansion, and benign tumors grow by invasion.
• B)Malignant tumors lose plasma membranes, and benign tumors continue to produce them.
• C)Benign tumors retain parental cell functions, and malignant tumors lose parental cell functions.
• D)Benign tumors have totally normal features, and malignant tumors have totally abnormal features.

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Definitions:

(2S,4R)-4-propylhexane-2-thiol

A specific chiral molecule indicated by its IUPAC name, highlighting its stereochemistry and functional groups.

(2R,4S)-4-propylhexane-2-thiol

A chiral molecule specified by its configuration, comprising a six-carbon chain with a propyl group and a thiol group at specific positions.

(2S,4R)-4-ethylheptane-2-thiol

A chiral organic compound characterized by a specific three-dimensional configuration, including an ethyl and a thiol group on a heptane backbone.

(2R,4S)-4-ethylheptane-2-thiol

A specific stereoisomer of a compound featuring an ethyl group and a thiol group attached to a heptane chain.