Myosin and actin protein filaments attach to each other . Calcium ions release into myofibrilles . Myosin filaments pull on the actin filaments
        
             
        
        
        
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The answer is <span>Cyanobacteria are photoautotrophs.
</span><span>Cyanobacteria /saɪˌænoʊbækˈtɪəriə/, also known as Cyanophyta, is a phylum of bacteria that obtain their energy through photosynthesis. The name "cyanobacteria" comes from the color of the bacteria.</span>
        
                    
             
        
        
        
Answer:
C. Because your body cannot accurately sense when your muscles are done working hard.
Explanation:
 
        
                    
             
        
        
        
Lactose hydrolysis occurs for lactase-persistent individuals and the people who have a lactase deficiency. Lactose hydrolysis is found in dairy products and also to the various milk products. The process of this lactose hydrolysis is said to be not that complicated.
        
             
        
        
        
<span>The
interaction of motor proteins such as dynein, is responsible for the movement
of organelles in cells which uses energy to move parts of the cytoskeleton.  Cytoskeleton is a network of intermediate
filaments, microtubules and microfilaments that outspread throughout the
cytoplasm and serve a variety of signaling, transport and mechanical functions.</span>