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Multiple Choice
Which of the following is/are a primary difference(s) between all prokaryotes and eukaryotic cells?
A
Prokaryotes have DNA that floats freely in the cytoplasm.
B
Prokaryotes are significantly smaller than eukaryotic cells.
C
Prokaryotes do not have ribosomes like eukaryotic cells.
D
a and b.
E
a, b, and c
Verified step by step guidance
1
Understand the basic structural differences between prokaryotic and eukaryotic cells. Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have a defined nucleus and various organelles.
Examine the statement 'Prokaryotes have DNA that floats freely in the cytoplasm.' This is true because prokaryotic cells do not have a nucleus, so their DNA is located in the nucleoid region within the cytoplasm.
Consider the statement 'Prokaryotes are significantly smaller than eukaryotic cells.' This is generally true as prokaryotic cells are typically smaller in size compared to the larger and more complex eukaryotic cells.
Evaluate the statement 'Prokaryotes do not have ribosomes like eukaryotic cells.' This is false because prokaryotic cells do have ribosomes, although they are smaller and differ in structure from eukaryotic ribosomes.
Based on the analysis, identify the correct differences between prokaryotic and eukaryotic cells. The correct answer is 'a and b' because both statements accurately describe primary differences, while statement 'c' is incorrect.