Why bacterial DNA don't have histone covering

Open in App

Solution

Bacteria are prokaryotic organisms (no nucleus). Their DNA is just naked in the cytoplasm. Histones are needed to organize DNA in the nucleus of eukaryotic (true nucleus) cells.

Suggest Corrections

Similar questions

Q. Identify the correct statements from the following.
1. In bacteria, negatively charged DNA is held by positively charged proteins in the nucleoid region.
2. Bacterial DNA is present in the nucleus.
3. The DNA of bacteria is associated with histones.
4. Bacteria have smaller, circular DNA molecules called plasmids.

Q. Rupturing of the cell and digestion of the histone does not provide DNA. Why?

Q. How do bacterial cells protect their own DNA from restriction endonuclease?

Q. Ratio of DNA : histone in prokaryotes is

Q. Identify the correct statements from the following options.

1. Bacteria typically store their single standard DNA in a single, circular chromosome.
2. Bacterial DNA is present in nucleus.
3. Some bacteria have multiple chromosomes.
4. The DNA of bacteria is not associated with histones.
5. Bacteria don't have smaller, circular DNA molecules called plasmids.
6. E. coli contain only about 4.6 million base pairs compared to the average human chromosome's 139 million.

Join BYJU'S Learning Program