State whether the following statement is true or false:
An undefined nuclear region containing only nucleic acids is called a nucleolus.
An undefined nuclear region containing only nucleic acids is called a nucleolus.
(FALSE) The statement is False.
An undefined nuclear region containing only nucleic acids (and lacking a nuclear membrane) is known as the nucleoid,which is characteristic of prokaryotic cells.
$A$ nucleolus is a distinct,spherical,non-membrane-bound structure found within the nucleus of eukaryotic cells,primarily involved in ribosome synthesis.
An undefined nuclear region containing only nucleic acids (and lacking a nuclear membrane) is known as the nucleoid,which is characteristic of prokaryotic cells.
$A$ nucleolus is a distinct,spherical,non-membrane-bound structure found within the nucleus of eukaryotic cells,primarily involved in ribosome synthesis.
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Prokaryotic Cell Eukaryotic Cell $1.$ Size: generally small $(1-10 \,\mu m)$
$1 \,\mu m = 10^{-6} \,m$ $1.$ Size: generally large $(5-100 \,\mu m)$ $2.$ Nuclear region: ................... and ............... $2.$ Nuclear region: well defined and surrounded by a nuclear membrane $3.$ Chromosome: single $3.$ More than one chromosome $4.$ Membrane-bound cell organelles absent $4.$ .........................
| Prokaryotic Cell | Eukaryotic Cell |
| $1.$ Size: generally small $(1-10 \,\mu m)$ $1 \,\mu m = 10^{-6} \,m$ | $1.$ Size: generally large $(5-100 \,\mu m)$ |
| $2.$ Nuclear region: ................... and ............... | $2.$ Nuclear region: well defined and surrounded by a nuclear membrane |
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