VIRUSES AND PATHOGENS STUDY GUIDE 2023 QUESTIONS AND ANSWERS ALREADY PASSED A+

What is a virus? - CORRECT ANS a microscopic particle that gets inside a cell and often destroys the cell Vaccines - CORRECT ANS the solutions of weakened or inactive viruses that train your immune system on how to fight a real, active virus? How big are viruses? - CORRECT ANS Viruses are smaller than the smallest cell What are viruses measured in - CORRECT ANS Nanometer Bacteriophage - CORRECT ANS A virus that infects bacteria Any disease-causing agent - CORRECT ANS pathogen A virus is made of - CORRECT ANS DNA or RNA and a protein coat A viroid is made of - CORRECT ANS single stranded RNA viroids can cause - CORRECT ANS causes disease in plants How do Viroids spread - CORRECT ANS passed through seeds or pollen Viruses are made of - CORRECT ANS Genetic material, capsid, a protein shell, maybe a lipid envelope, a protective outer coat Examples of viral infections - CORRECT ANS Common cold, influenza, SARS, HIV What kind of defenses do the body have against viruses - CORRECT ANS Natural Defenses A prion is made of - CORRECT ANS proteins what do Prions cause - CORRECT ANS causes misfolding of other proteins what do prions result in - CORRECT ANS diseases of the brain