Answers created by Dr. Jeffrey Sack

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• How do viruses violate the cell theory?
  
• How do lampreys and hagfish feed?
  
• What are genotypes?
  
• How do pili help bacteria?
  
• What are atoms?
  
• What phylum do club fungi belong to?
  
• Explain how compounds and mixtures differ.
  
• What is an echinoderm?