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c) plato user's The sugar deoxyribose, phosphate groups, and nitrogenous bases
DNA is composed of nucleotides (containing deoxyribose (a sugar), a nitrogenous base and phosphate groups).
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Rungs are made up of - [nitrogenous bases] Railings are made up of - [deoxyribose and phosphate]
The three basic units of DNA are phosphate, deoxyribose and nitrogen base ( adenine, thymine, cytosine and guanine).
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c) plato user's The sugar deoxyribose, phosphate groups, and nitrogenous bases
In deoxyribose nucleic acid. DNA, as part of the backbone the nitrogenous bases are hung on.
Deoxyribose is found in DNA, along with phosphate and nitrogenous bases
DNA is composed of nucleotides (containing deoxyribose (a sugar), a nitrogenous base and phosphate groups).
When it is untwisted, the deoxyribose on the sides, and the nitrogenous bases line up looking like a ladder. for example the nitrogenous bases would be the rungs on the ladder. the sugar phosphate groups, deoxyribose, would be the outer parts.
A nucleotide is composed of a Nitrogenous base, a phosphate, and a ribose sugar.
First off - it is important to understand that a nucleotide (the monomer of DNA) is composed of 3 things: a sugar, a phosphate group, and a nitrogenous base. Next - understand that the "backbone" of DNA is composed of the sugars and phosphates. That leaves you with nitrogenous bases. Hydrogen bonds form between the nitrogenous bases off opposite strands in the double helix. THIS is what holds the double helix together.
Double helix - with a deoxyribose (sugar) and phosphate backbone, and nitrogenous bases in the centre.
There are actually 6: Adenine, Thymine, Cytosine, Guanine, Phosphates, and Deoxyribose Sugar Molecules. 1 Phosphate and Deoxyribose Sugar Molecule create a nucleotide, and Adenine, Thymine, Cytosine, and Guanine are nitrogenous bases. DNA is shaped like a double-helix (a ladder). The two sides of the ladder are the nucleotides and the rungs are nitrogenous bases. The order of nitrogenous bases determines the organisms life characteristics (eye color, skin color, hair color, etc.)
A sugar ( ribose, or deoxyribose ) and phosphate group backbone and one of five nitrogenous bases.
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