Question

A scientist observes a new organism through a microscope.
Which of the following observations tells her that the organism is eukaryotic?
A
the organism is unicellular
B
the organism has a membrane bound nucleus
C
the organism has a cell membrane
D
the organism has ribosomes

Answer 1

B the organism has a membrane bound nucleus

Answer 2

Membrane bound nucleus

Explanation:

The scientist can state the given organism is an Eukaryota only when nucleus is seen bound under nuclear membrane.

This is the characteristic feature which differentiates the prokaryotic cell from an eukaryotic cell.

The eukaryotic cell has to perform complex functions and have more advanced characters so has organelles like nucleus and mitochondria, et cetera.

Prokaryotes are simple and needs not to perform complex functions so lacks nucleus.

Learn more about Prokaryotes and Eukaryotas:

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