The Lettuce That Outsells All Other Varieties Combined Is

question 21

Multiple Choice

The lettuce that outsells all other varieties combined is:

• A)leaf
• B)romaine
• C)baby
• D)iceberg

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Definitions:

Hydroxyapatite

Mineral with the empiric formula 3 Ca3(PO4)2 ∙ Ca(OH)2; the main mineral of bone and teeth.

Collagen

A protein that is the primary structural component of connective tissues in animals and the most abundant protein in mammals.

Proteoglycan

A large molecule made of protein cores with glycosaminoglycan chains, playing various roles in the structure and function of cells and tissues.

Hyaluronic Acid

Hyaluronic Acid is a viscous, glycosaminoglycan that is widely distributed throughout connective, epithelial, and neural tissues, known for its capacity to retain water and contribute to tissue hydration and lubrication.