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Question

Read the following statements and identify the correct option given.
I. In prokaryotic cell. The nuclear membrane, chloroplast, mitochondria, microtubules and different kinds of pili are absent.
II. In eukaryotic cell, the nuclear membrane, chloroplast, mitochondria and pili are present.
III. In prokaryotic cell, the ribosome is of 70 S type and in mitochondria of eukaryotic animal cell, the ribosome is of 80 S type.

A
I and II are wrong; III is correct
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B
I is correct; II and III are wrong
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C
I and II are correct; III is wrong
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D
I, II and III are correct
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Solution

The correct option is D I, II and III are correct
Prokaryotes are generally smaller and differ from eukaryotic cells in terms of structural elements and genetic processes e.g., bacteria, blue-green algae, mycoplasma, etc.
Unlike eukaryotes, prokaryotes lack a true nucleus, a nucleus membrane and the membrane bound organelles (mitochondria, chloroplast, Golgi bodies, ER)
Ribosomes are 70 S type in prokaryotes, while it is 80 S in eukaryotes although 70 S type in prokaryotes, while it is 80 S in eukaryotes although 70 S type of ribosomes are found in mitochondria and chloroplast of eukaryotic cell.

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