Multiple Choice
Which cellular structure is NOT found in all cells (i.e., is present in eukaryotes but absent in prokaryotes)?
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1. Overview of Cell Biology
Prokaryotes vs. Eukaryotes
Multiple Choice
Which group of microbes has a true, membrane-bound nucleus?
A
Archaea
B
Bacteria
C
Viruses
D
Eukaryotic microbes (e.g., fungi, protozoa, and algae)
Verified step by step guidance1
Understand the key difference between prokaryotic and eukaryotic cells: prokaryotes lack a true, membrane-bound nucleus, while eukaryotes have one.
Identify the groups listed: Archaea and Bacteria are prokaryotes, meaning they do not have a membrane-bound nucleus.
Recognize that viruses are not cells and do not have a nucleus or any cellular organelles.
Recall that eukaryotic microbes, such as fungi, protozoa, and algae, possess a true nucleus enclosed by a nuclear membrane.
Conclude that the group with a true, membrane-bound nucleus is the eukaryotic microbes, distinguishing them from prokaryotes and viruses.
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