<span>Archaea were initially classified as bacteria, receiving the name archaebacteria (in the Archaebacteria kingdom), but this classification is outdated. Archaeal cells have unique properties separating them from the other two domains of life, Bacteria and Eukaryota.  hope that helped</span>
        
             
        
        
        
Answer:
c, recesive
Explanation:
x chromosomes are usually recesive
 
        
             
        
        
        
Ribosomes are organelles that create proteins. Cells use proteins to perform important functions such as repairing cellular damage and directing chemical processes. ... Without these ribosomes, cells would not be able to produce protein and would not be able to function properly.
 
        
             
        
        
        
Answer:
Element
Explanation:
Element is a pure substance that cannot be broken down.
 
        
             
        
        
        
Answer:
Binding of   <u>ACh (acetylcholine)  </u>  to receptors (ligand-gated) on the sarcolemma at the neuromuscular junction is vital for depolarization of the muscle fiber.
Explanation:
It allows acetylcholine to be released into this synapse when an action potential hits a neuromuscular junction. Acetylcholine attaches to the nicotinic receptors localized on the post-synaptic membrane of the muscle fibre's motor end plate, a specialized region.
Hence , the answer is  <u>ACh (acetylcholine) .</u>