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प्रश्न
Although a prokaryotic cell has no defined nucleus, yet DNA is not scattered throughout the cell. Explain.
उत्तर
DNA is negatively charged , positively charged proteins , hold it in places, in large loops (in a region termed as nucleiod) Detailed Answer : In prokaryotic cell, the DNA is not scattered throughout the cell but present in the form of a membrane less structure called nucleoid. The prokaryotic cells uses a specific mechanism to pack the genetic material tightly into this region. The prokaryotic cello do take up a measure against this by folding the fibres and forming genophore.
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संबंधित प्रश्न
Differentiate between Euchromatin and Heterochromatin.
Name the transcriptionally active region of chromatin in a nucleus.
AUG codon gives ________ & ________ amino acids in prokaryotes & Eukaryotes respectively.
Write a note on the packaging of DNA in prokaryotes.
The length of DNA segment having 44 base pairs is ______
Histone proteins are ______.
Electron Transport System (ETS) is present in a eukaryotic cell in the:
Whittaker placed prokaryotes in:
During translation initiation in prokaryotes, a GTP molecule is needed in:
Part of chromatins which is densely packed stain darkly and is transcriptionally inactive is called ______.
