Question

What differs among DNA structures of different species?

Answer 1

Alternative ways of representing nucleic acid chains, in this case a single strand of DNA containing only three bases: cytosine (C), adenine (A), and guanine (G). ... This structural difference is critical to the different functions of the two types of nucleic acids.

Answer 2

The arrangement of the nucleotide within the genes is different among the DNA structures of different species.

Further Explanation:

DNA is a complex molecule composed of nitrogenous bases, deoxyribose sugar, and phosphate groups attached by glycosidic, phosphoanhydride and hydrogen bonds. Four types of bases are present in DNA adenine, cytosine, guanine, and thymine. A codon is a triplet of the sequence of mRNA that mainly identifies an amino acid. The genetic code expresses the sequence of genetic information in the proteins. The genes that code for proteins are the tri-nucleotide units. A polymer of amino acids makes up a protein chain. The process of translation involves the conversion of an mRNA strand to a chain of amino acids. These units are called codons and each codon codes for a single amino acid. The arrangement of nucleotides differs from an individual to another.

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Answer Details:

Grade: High School

Subject: Biology

Chapter: Genetics

Keywords:

Codon, gene, amino acid, stop, nucleotide, translation, sequence, chain, process, codes, polymer, arrangement, protein, genetic information.