noun🔗ShareA globular structural protein that polymerizes in a helical fashion to form an actin filament (or microfilament)."The biology class learned that actin is a protein that forms long, thin fibers inside cells, giving them shape and helping them move. "biochemistrybiologyanatomymedicinephysiologysubstancepartChat with AIVocabulary GamePractice Reading
noun🔗ShareOne of the six isoforms of actin."The scientist studied the different isoforms of actin, specifically focusing on the alpha-actin isoform found in muscle tissue. "physiologybiochemistrybiologyChat with AIVocabulary GamePractice Reading
