Question

Write a short note on chromosomes (please answer properly and as a student of class 8th)

Answer 1

A chromosome is a structure of DNA, protein, and RNA found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements and other nucleotide sequences. Chromosomes also contain DNA-bound proteins, which serve to package the DNA and control its functions. Chromosomal DNA encodes most or all of an organism's genetic information; some species also contain plasmids or other extra chromosomal genetic elements. Chromosomes vary widely between different organisms. The DNA molecule may be circular or linear, and can be composed of 100,000 to over 3,750,000,000 nucleotides in a long chain. Typically, eukaryotic cells (cells with nuclei) have large linear chromosomes and prokaryotic cells (cells without defined nuclei) have smaller circular chromosomes, although there are many exceptions to this rule. Cells may contain more than one type of chromosome; for example, mitochondria in most eukaryotes and chloroplasts in plants have their own small chromosomes.

Answer 2

Here is you answer;
a short note on chromosomes:-
A chromosomes is a structure of DNW , protien qnd a RNA found in cells. It is a single piece of coiled DNA containing many genes. chromosomes also contain DNA BOUND Proteins which serve to paclage the DNA and control ots function In eukaryotes, nuclear chromosomes are packaged by protein into a condensed structure called chromatin ..This allowe the DNA molecules to fit into cell nuclues...

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