An independent variable is the variable that the scientist changes,  and the dependent variables are the variables that the scientist  doesn't control.
Glycoprotein VI (platelet) also known as GPVI is a glycoprotein receptor for collagen which is expressed in platelets. In humans, glycoprotein VI is encoded by the GPVI gene.
Collagen, a structural protein, is one of the most abundant proteins in your body. Connective tissue is the material that forms the structural framework for your organs, bones, eyes, tendons, cartilage, skin, blood vessels, lymphatics and muscles.mino Acid Modification. Glycine accounts for one-third of the amino acids in the collagen molecule. Lysine and proline, which constitute another one-sixth of the collagen strand's amino acid content, are converted to hydroxylysine and hydroxyproline before they are incorporated into the strand.