교과서 질문
Although cells have differences that reflect their special functions in the body, what functional abilities do all cells exhibit?
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2. Cell Chemistry & Cell Components
Prokaryotic & Eukaryotic Cells
객관식
In bacteria, DNA will be found in _______________.
A
A membrane-enclosed nucleus.
B
Mitochondria.
C
The nucleoid.
D
Ribosomes.
검증된 단계별 안내1
Understand the structure of bacterial cells: Bacteria are prokaryotic organisms, meaning they do not have membrane-bound organelles.
Recognize that in prokaryotic cells, DNA is not enclosed within a membrane-bound nucleus as it is in eukaryotic cells.
Identify the location of DNA in bacteria: Bacterial DNA is typically found in a region called the nucleoid, which is not enclosed by a membrane.
Differentiate between the nucleoid and other cellular components: The nucleoid is distinct from ribosomes, which are involved in protein synthesis, and mitochondria, which are absent in bacteria.
Conclude that the correct answer is the nucleoid, as it is the region where bacterial DNA is located.
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