What are the sides of the DNA ladder made of?
Answer (3)
The sides of a DNA ladder are made by bio-polymers which have a more complicated name, polynucleotides. Polynucleotides are made of nucleotides and each of those is made of one of these components. Guanine, Adenine, Thymine, and Cytosine. There is also a base pairing rule. G combines with A, and T combines with C.
The sides of the DNA ladder are made of alternating deoxyribose sugar molecules and phosphate groups.
The DNA molecule has a double helix structure, resembling a twisted ladder . The sides, or rails, of this ladder are composed of two long chains of nucleotides running in opposite directions. Each nucleotide consists of three components: a deoxyribose sugar molecule, a phosphate group, and a nitrogenous base (adenine, thymine, cytosine, or guanine). The deoxyribose sugar molecules and phosphate groups alternate to form the backbone of the DNA strand. The phosphate groups link the sugar molecules together through covalent bonds, creating a strong and stable structure.
The nitrogenous bases, which include adenine (A), thymine (T), cytosine (C), and guanine (G), project inward from the sugar-phosphate backbone and form complementary base pairs (A with T and C with G) between the two DNA strands. These base pairs are held together by hydrogen bonds, which provide the specificity and complementarity necessary for DNA replication and information storage. This elegant molecular architecture allows DNA to store and transmit genetic information accurately.
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The sides of the DNA ladder are composed of alternating sugar and phosphate groups, forming a backbone made from nucleotides. Each nucleotide includes a nitrogenous base (A, T, C, or G), a deoxyribose sugar, and a phosphate group. The structure of DNA allows it to hold genetic information and ensures accurate replication.
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