Alginates Are Used in Many Everyday Products, Including Toothpaste and Soap

Multiple Choice

Alginates are used in many everyday products, including toothpaste and soap. When added to water, they form a thick gel that binds or emulsifies liquids. Alginates come from a group of multicellular stramenopiles that have one pigment that masks all others and therefore gives these organisms a distinctive, dark color. Alginates are derived from

A) green algae.
B) brown algae.
C) water molds.
D) dinoflagellates.