Which of the Following Statements Is False

question 53

Multiple Choice

Which of the following statements is false?

• A) Homologous genes encoding similar transcription factors are expressed in similar patterns along the anterior-posterior axes of both mammals and insects.
• B) The full-sized wing in Drosophila is normally produced on just the third thoracic segment.
• C) Deletions of the Ubx gene in Drosophila convert the third thoracic segment into the second thoracic segment.
• D) Ubx is a Hox gene.
• E) All of the above are true; none is false.

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Definitions:

Anti-tubercular Activity

The ability of a substance to prevent or treat tuberculosis by inhibiting the bacteria that cause the disease.

Marine Sponge

Simple aquatic animals with porous bodies, belonging to the phylum Porifera, known to produce bioactive compounds used in pharmaceuticals.

Aldol Reaction

A chemical reaction between aldehydes or ketones, catalyzed by a base, leading to β-hydroxyaldehydes or β-hydroxyketones.

Crossed-aldol Product

The product resulting from an aldol reaction between two different aldehyde or ketone reactants, occasionally leading to complex mixtures.