They are composed of actin, troponin, tropomyosin, and myosin 
        
                    
             
        
        
        
Judical is one of the three types of governments.
 
        
             
        
        
        
1.) <span>To be useful, a scientific name has to refer to all living species.
</span>2.) Several different classes make up a <span>phylum.
3.) </span>Which are the two highest-level taxa in the Linnaean system? phylum and kingdom.
4.) <span>Animals that are warm-blooded, have body hair, and produce milk for their young are grouped in the class Amphibia.
5.) </span><span>The only "natural" taxa in Linnaeus's system is the </span><span>species.
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Acids are substances that provide hydrogen ions (H+) and lower pH, whereas bases provide hydroxide ions (OH–) and raise pH. The stronger the acid, the more readily it donates H+. For example, hydrochloric acid and lemon juice are very acidic and readily give up H+ when added to water. ( source : https://courses.lumenlearning.com/wmopen-nmbiology1/chapter/the-ph-scale/ )