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Multiple Choice
How are members of the domain Eukarya different from members of the domains Archaea and Bacteria?
A
Members of the domain Eukarya have circular DNA, while members of the domains Archaea and Bacteria have linear DNA.
B
Members of the domain Eukarya reproduce asexually, while members of the domains Archaea and Bacteria reproduce sexually.
C
Members of the domain Eukarya have membrane-bound organelles, while members of the domains Archaea and Bacteria do not.
D
Members of the domain Eukarya are unicellular, while members of the domains Archaea and Bacteria are multicellular.
Verified step by step guidance
1
Understand the classification of life into three domains: Eukarya, Archaea, and Bacteria. These domains represent the highest level of classification in the biological taxonomy.
Recognize that members of the domain Eukarya are characterized by having cells with membrane-bound organelles, such as the nucleus, mitochondria, and endoplasmic reticulum. This is a key distinguishing feature.
Identify that members of the domains Archaea and Bacteria are prokaryotic, meaning they lack membrane-bound organelles. Their cellular structure is simpler compared to eukaryotic cells.
Clarify that the DNA structure in Eukarya is linear and organized into chromosomes within the nucleus, whereas Archaea and Bacteria typically have circular DNA that is not enclosed within a nucleus.
Note that reproduction methods differ: Eukarya can reproduce both sexually and asexually, while Archaea and Bacteria primarily reproduce asexually through binary fission.