actin one of the proteins into which actomyosin can be split can exist in either a globular or a fibrous form actomyosin a protein complex in muscle fibers composed of myosin and actin shortens when stimulated and causes muscle contractions
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Make sure to draw and label all of the parts listed below. Identify each part by coloring it the color indicated in the word box. cell membrane (yellow) nucleolus (blue) lysosome (green) cytoplasm (light green) mitochondria (orange) nucleus (red) ribosome (black) vacuole (brown) Animal Cell.