The Ventral Surface of the Tongue Is Keratinized

question 12

Multiple Choice

The ventral surface of the tongue is keratinized. The dorsum of the tongue has thick parakeratinized to keratinized epithelium.

• A) Both statements are true.
• B) The first statement is true; the second is false.
• C) The first statement is false; the second is true.
• D) Both statements are false.

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Definitions:

Horizontal Gene Transfer

The transfer of genetic elements across unicellular or multicellular organisms through means other than the direct inheritance of DNA from one generation to the next.

Plasmids

Small, circular, double-stranded DNA molecules found in bacterial cells and some eukaryotes, independent of chromosomes, often carrying genes that benefit their host organisms.

Prokaryotes

Microorganisms characterized by the absence of a nucleus and membrane-bound organelles, including bacteria and archaea, which play key roles in ecosystems and biotechnology.

Gene Expression

The process by which information from a gene is used to synthesize functional gene products such as proteins, influencing an organism's structure and functions.