There are slight differences in the meanings of these terms, but they are often used interchangeably. 1  Independent Variable: It implies causality: the independent variable affects the dependent variable. 2  Used predominantly in ANOVA, but often in regression as well. 3  It can be either continuous or categorical.
Protein Quality. Collagen is not a complete protein because it is lacking in the amino acid tryptophan. A Protein Digestibility Corrected Amino Acid Score (PDCAA) of a complete protein is 1.0.ollagen is a protein found in the muscle and connective tissue of animals. Hydrolyzed collagen protein supplements are typically made from the bones and skin of cows, horses or pigs.
Super Collagenâ¢ utilizes Collagen Types 1 & 3, which is 90% of the bodyâs total collagen supply and the main collagen constituents in the skin, hair, nails, ligaments, tendons, bones and muscles.â . Super Collagenâ¢ Powder - NeoCell. Collagen: The Body's Anti-Aging Protein. Collagen is a complex structural protein that maintains strength and flexibility throughout the body. As we age, collagen depletion can lead to common signs of aging in the skin, hair, nails, muscles, tendons, ligaments, and bones.