Multiple Choice
Which of the following is not true of biofilms?
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26. Prokaryotes
Introduction to Prokaryotes
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In what ways are archaea similar to bacteria?
A
Both are capable of photosynthesis.
B
Both have circular DNA and lack a nucleus.
C
Both have peptidoglycan in their cell walls.
D
Both have a nucleus and membrane-bound organelles.
Verified step by step guidance1
Begin by understanding the basic characteristics of archaea and bacteria. Both are prokaryotic organisms, meaning they lack a nucleus and membrane-bound organelles.
Examine the genetic material of archaea and bacteria. Both have circular DNA, which is a common feature of prokaryotes.
Consider the structure of their cell walls. Bacteria typically have peptidoglycan in their cell walls, whereas archaea do not. This is a key difference between the two.
Evaluate their ability to perform photosynthesis. While some bacteria can perform photosynthesis, archaea generally do not. This is not a similarity between the two groups.
Summarize the similarities: Archaea and bacteria both have circular DNA and lack a nucleus, which are defining characteristics of prokaryotic cells.
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