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The similarities and differences in the organization and the structure of the DNA in bacterial cell and human cells is that.
The cells of bacteria are always diving and never ending. The human cells does not keeps on dividing. It dies after a certain period of time either by natural cell death or by other means.
The bacterial cells are prokaryotic in nature and it does not contains membrane bound organelles.
The bacterial cell undergoes mitosis and meiosis both. But the cells of human being undergo mitosis.
Bacterial cell is independent and needs not to be dependent on the other cells for their survival. The eukaryotic cell is dependent on other cells for their survival.
DNA is a double helix composed of 4 types of nucleotides both in bacteria and humans. In human cells, DNA forms linear molecules (chromosomes) localized in the cell nucleus, which are associated with histone proteins.
DNA is a universal molecule that contains the instructions to synthesize proteins in all organisms.
This molecule (DNA) is a double helix composed of two chains of nucleotides.
The DNA molecule consists of four types of nucleotides, each containing one different nitrogenous base, i.e., Adenine, Thymine, Cytosine and Guanine.
In prokaryotic cells (e.g., bacterial cells), DNA is found loose in the cytoplasm.
Conversely, in eukaryotic cells (e.g., human cells), DNA is compartmentalized within the cell nucleus.
Moreover, in prokaryotic cells, the DNA is a small-circular 'naked' molecule.
On the other hand, in eukaryotic cells, the DNA forms long linear molecules called chromosomes, which are composed of both DNA and associated proteins known as histones.
In conclusion, DNA is a double helix composed of 4 types of nucleotides both in bacteria and humans. In human cells, DNA forms linear molecules (chromosomes) localized in the cell nucleus, which are associated with histone proteins.
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