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WorksheetsBacteria and Viruses
Total questions: 10
Worksheet time: 8mins
Place the steps of binary fission in order
One bacterium
DNA replicates
Cell membrane pinches in two
Two bacteria
Archaea lack a certain (a) in their cell walls
What is one way to help avoid getting a viral disease?
Washing hands
Getting vaccinated
Avoiding people
Coughing into your elbow
Archaea have genes that are more similar to
Eukaryotes than to those of bacteria
Prokaryotes
bacteria
human genes
Why do scientists use a different system to classify viruses?
Many scientists do not believe that viruses are alive
Many scientists believe that viruses are living
Many scientists do not believe viruses are real
Some bacteria have a small circular strand of DNA separate from their main chromosome called a (a)
What is the purpose of a bacterium's flagellum?
to help it move
to swish in the wind
to look pretty
to make the bacterium camouflage
Two groups of prokaryotes are (a) and (b)
What do bacteria have instead of a nucleus?
nucleic acid
What is the protective protein coat of a virus?
