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Sagot :
Proteins called histones to surround/associate with DNA to help organize it. these proteins can be modified to alter gene expression.
What is DNA?
- All known animals and many viruses contain genetic information in the form of a polymer called DNA, which is made up of two polynucleotide chains that wrap around each other to create a double helix.
- Nucleic acids include DNA and ribonucleic acid (RNA). Nucleic acids are one of the four major classes of macromolecules required by all known life forms, along with proteins, lipids, and complex carbohydrates (polysaccharides).
- Because both strands of DNA are made up of simpler monomer units called nucleotides, they are called polynucleotides.
- Each nucleotide consists of a phosphate group, a deoxyribose sugar, and one of four nitrogen-containing nucleobases (cytosine [C], guanine [G], adenine [A], or thymine [T]).
To learn more about DNA, refer to the following link:
https://brainly.com/question/16099437
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