Scelta multipla
Which statement best differentiates between prokaryotic cells and eukaryotic cells?
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5. Cell Components
Prokaryotic & Eukaryotic Cells
Scelta multipla
A cell lacking which of the following structures is most likely to be a prokaryote?
A
Plasma membrane
B
Ribosomes
C
Cytoplasm
D
Nucleus
Guida verificata passo dopo passo1
Step 1: Understand the difference between prokaryotic and eukaryotic cells. Prokaryotic cells are simpler in structure and lack membrane-bound organelles, while eukaryotic cells have complex structures, including a nucleus.
Step 2: Review the key features of prokaryotic cells. Prokaryotes do not have a nucleus; instead, their genetic material is located in a region called the nucleoid, which is not enclosed by a membrane.
Step 3: Analyze the options provided in the question. Plasma membrane, ribosomes, and cytoplasm are all structures found in both prokaryotic and eukaryotic cells. The nucleus, however, is exclusive to eukaryotic cells.
Step 4: Determine which structure is absent in prokaryotic cells. Since prokaryotes lack a nucleus, this is the correct answer to the question.
Step 5: Conclude that the absence of a nucleus is a defining characteristic of prokaryotic cells, making them distinct from eukaryotic cells.
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