Answer:
Phagocytosis of pathogens.
Explanation:
 
        
             
        
        
        
Answer:
Cellular respiration that proceeds in the absence of oxygen is anaerobic respiration. Cellular respiration that proceeds in the presence of oxygen is aerobic respiration. Anaerobic respiration evolved prior to aerobic respiration.
 
        
             
        
        
        
Answer:
i don't think the vaccine will help. a lot of people died from it.
Explanation:
 
        
             
        
        
        
Answer:
Protiens 
Explanation:
because the DNA or RNA is translatted to sequence.