The answer is Protein. T<span>he primary type of macromolecule in the actin and myosin that make up muscle cells is Protein. </span>Muscles<span> are composed of two major protein filaments: a thick filament composed of the protein </span>myosin<span> and a thin filament composed of the protein </span>actin<span>. </span>Muscle contraction<span> occurs when these filaments slide over one another in a series of repetitive events.</span>
It depends on if the mother and father have dominant or recessive alleles or genes
Reduced calorie sweeteners, reduced sugar, and sugar free foods like chewing gum.
also can be found naturally in fruits and vegetables.
https://www.accessdata.fda.gov/scripts/InteractiveNutritionFactsLabel/sugar-alcohol.html