Biology/viral infection
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Question
How do the structures of bacteria, viruses and mammalian cells differ?
Bacteria are prokaryotes. They have a cell wall but no organizes nucleus nor organelles
Mammalian cells have no cell walls and have organelles and an organized nucleus
Viruses are not alive and are not cells . They are particles made up or a piece of DNA and a protein shell.
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Answers by Expert:
Walter Hintz
Expertise
Science teacher for over 50 years. MSc. in biology. I can answer questions in general biology, zoology, botany, anatomy and physiology and biochemistry.
Experience
I have a MSc in biology and have been a science teacher for over 50 years. At present I am a faculty member at a college and a science consultant at seven catholic schools.
Publications
The Ohio journal of Science
Momentum-The Journal of the Catholic Education Association
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