What Are Monomers From Which DNA Is Made?

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Monomers are called nucleotides, and they are made up of three basic parts: phosphate, sugar and a base. Find out what the monomers from which DNA is made are with help from an experienced science professional in this free video clip.

Part of the Video Series: The Marvels of Cells & DNA
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Video Transcript

Hi, I'm Michael Maidaa and this is what are monomers from which DNA is made. These monomers are called nucleotides and they are made up of three basic parts, phosphate, sugar and a base. In DNA, there are four different types of nucleotides because of the four different bases that are used. The bases that are used in nucleotides consist of the following: Thymine, T, Adenine, A, Guanine, G and Cytosine, C. So depending on which one of these four bases is connected to the phosphate sugar makes up a nucleotide. So looking at a DNA molecule, we would have a phosphate, sugar with a base, C for example here. On the other side we also have a phosphate sugar with the base that's according, so G in this case. Looking at this picture, this would be one monomer or a nucleotide. So now we have discussed the four bases that make up the monomer or the nucleotide. I'm Michael Maidaa and this has been what monomers make up DNA.

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