Scelta multipla
Which characteristic is shared by all bacteria and archaea?
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7. Prokaryotic Cell Structures & Functions
Prokaryotic & Eukaryotic Cells
Scelta multipla
Which of the following features distinguishes bacteria and archaea from eukaryotes?
A
They contain multiple linear chromosomes.
B
They possess mitochondria for energy production.
C
They have complex membrane-bound organelles.
D
They lack a membrane-bound nucleus.
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Understand the fundamental differences between the three domains of life: Bacteria, Archaea, and Eukaryotes.
Recall that eukaryotic cells have a membrane-bound nucleus, which houses their genetic material, while bacteria and archaea do not.
Recognize that bacteria and archaea typically have a single circular chromosome, unlike eukaryotes which have multiple linear chromosomes.
Note that mitochondria and other complex membrane-bound organelles are characteristic of eukaryotic cells, not bacteria or archaea.
Conclude that the key distinguishing feature of bacteria and archaea compared to eukaryotes is the absence of a membrane-bound nucleus.
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