Which of the Following Statements Is TRUE

question 34

Multiple Choice

Which of the following statements is TRUE?

• A) The cranial cavity houses the brain and is lined by the pleural membranes.
• B) The pericardial cavity lies within the superior portion of the mediastinum.
• C) The pleural cavities are lined by a membrane called the parietal peritoneum.
• D) The visceral layer of a serous membrane covers the organ it protects.
• E) The superior border of the pelvic cavity is the diaphragm.

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Definitions:

Polysaccharide

A complex carbohydrate composed of long chains of monosaccharide units bound together by glycosidic linkages, serving various structural and energy storage roles in living organisms.

Cellulose

Cellulose is an organic compound and a polysaccharide consisting of a linear chain of several hundred to many thousands of β(1→4) linked D-glucose units, primarily found in the cell walls of plants.

Hydrogen Bonding

Hydrogen bonding is a type of weak chemical bond that occurs when a hydrogen atom that is covalently bonded to a highly electronegative atom, such as oxygen or nitrogen, experiences attraction to another electronegative atom.

Secondary Structure

The secondary structure of proteins involves the local folding or coiling of the peptide chain into structures such as alpha-helices and beta-sheets, primarily stabilized by hydrogen bonds.