Genophore is the genetic material or the DNA of a prokaryotic organism. It is commonly referred to as a prokaryotic chromosome. It functions as inherited. It is generally made up of nucleic acids, DNA or RNA. There is no histone proteins in them.

Sub-microscopic granules formed by the folding of naked DNA

Protozoans parasite whose multiplication is controlled by host metabolites

Viral particles capable of self-perpetuation in host cytoplasm

Endosymbiont representing gram-negative bacteria species

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What is genophore?

Important Questions on Molecular Genetics

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Biology>Genetics and Evolution>Molecular Genetics>Packaging of DNA Helix

Although a prokaryotic cell has no defined nucleus, yet DNA is not scattered throughout the cell. Explain.

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Biology>Genetics and Evolution>Molecular Genetics>Packaging of DNA Helix

The packaging of chromatin at a higher level requires an additional set of proteins that collectively are referred to as

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Biology>Genetics and Evolution>Molecular Genetics>Packaging of DNA Helix

Explain the formation of a nucleosome.

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Biology>Genetics and Evolution>Molecular Genetics>Packaging of DNA Helix

Kappa particles are

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Biology>Genetics and Evolution>Molecular Genetics>Packaging of DNA Helix

What would happen if histones were to be mutated and made rich in acidic amino acids such as aspartic acid and glutamic acid in place of basic amino acids such as lysine and arginine?

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Biology>Genetics and Evolution>Molecular Genetics>Packaging of DNA Helix

An octamer of 8 histones complexed with DNA forms

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Biology>Genetics and Evolution>Molecular Genetics>Packaging of DNA Helix

In the eukaryotes, the DNA molecules are organised within the nucleus. How is the DNA molecule organised in a bacterial cell in absence of a nucleus?

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Biology>Genetics and Evolution>Molecular Genetics>Packaging of DNA Helix

What is the function of histones in DNA packaging? What is the net electric charge on histones?

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Biology>Genetics and Evolution>Molecular Genetics>Packaging of DNA Helix

Linker-DNA is attached to

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Biology>Genetics and Evolution>Molecular Genetics>Packaging of DNA Helix

Histone proteins are

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Biology>Genetics and Evolution>Molecular Genetics>Packaging of DNA Helix

Read the following statements and select the correct option.
(i) Loosely packed and lightly stained region of chromatin are called as heterochromatin.
(ii) Densely packed and dark stained region of chromatin are called as euchromatin.
(iii) A typical nucleosome contains