The Purpose of Mucus Secretion by Stomach Cells Is

question 50

Multiple Choice

The purpose of mucus secretion by stomach cells is

• A) to protect the stomach against damage from destructive chemicals secreted in gastric juice.
• B) to initiate the digestion of foods.
• C) to anchor foods against the stomach wall.
• D) unknown.

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Definitions:

Peptidoglycan

A polymer that makes up the cell walls of most bacteria, consisting of sugars and amino acids, and provides structural strength to the bacterial cell wall.

Cell Walls

Rigid or semi-rigid structures surrounding the cell membrane of plants, fungi, and some bacteria, providing shape, support, and protection.

Cyanobacteria

Photosynthetic bacteria that produce oxygen as a by-product, playing a key role in the early oxygenation of the Earth's atmosphere.

Chlorophyll

a green pigment found in plants and cyanobacteria, essential for photosynthesis as it absorbs light energy.