stem-loop For each of the following, identify whether it is an example of primary, secondary, or tertiary structure that might be observed in a nucleic acid (such as DNA). Answers may be used more than once. nucleotide sequence B form supercoiling kinetochore of a yeast chromosome nucleosome secondary structure primary structure secondary structure tertiary structure tertiary structure secondary structure î O () <> (> î
DNA and RNA
Deoxyribonucleic acid (DNA) is usually called the blueprint of life. Deoxyribose is a monosaccharide that has a key function in the synthesis of deoxyribonucleic acid. One less oxygen-containing hydroxyl group occurs in deoxyribose sugar. Nucleic acid, deoxyribonucleic acid, is one of the natural components. Deoxyribonucleic acid is a double-stranded molecule. Watson and Crick postulated the double-stranded model of the helix. A deoxyribonucleic acid is a molecular group that carries and transmits genetic information from parents to offspring. All eukaryotic and prokaryotic cells are involved.
DNA as the Genetic Material
DNA, or deoxyribonucleic acid, is a long polymeric nucleic acid molecule discovered in the late 1930s. It is a polymer; a long chain-like molecule made up of several monomers connected in a sequence. It possesses certain characteristics that qualify it as a genetic component. Certain organisms have different types of nucleic acids as their genetic material - DNA or RNA.
Genetics
The significant branch in science which involves the study of genes, gene variations, and the organism's heredity is known as genetics. It is also used to study the involvement of a gene or set of genes in the health of an individual and how it prevents several diseases in a human being. Thus, genetics also creates an understanding of various medical conditions.
DNA Replication
The mechanism by which deoxyribonucleic acid (DNA) is capable of producing an exact copy of its own is defined as DNA replication. The DNA molecules utilize a semiconservative method for replication.
DNA (Deoxyribonucleic Acid) is a complex molecule with different levels of structural organization:
1) Primary Structure: The primary structure of DNA refers to the linear sequence of nucleotide bases along the DNA strand. It's essentially the specific order of adenine (A), cytosine (C), guanine (G), and thymine (T) bases that encode genetic information. This sequence is often represented as the genetic code.
2) Secondary Structure: DNA's secondary structure involves the local folding and interactions within the linear sequence. This can include formations like stem-loops, where a sequence on one strand pairs with a complementary sequence further down the same strand. The famous double helical structure of DNA, which is often referred to as the B-form, is also considered a secondary structure.
3) Tertiary Structure: The tertiary structure of DNA involves its higher-order, three-dimensional arrangement within the cell. This includes various levels of compaction and organization, such as supercoiling (coiling and twisting upon itself) and the formation of nucleosomes (DNA wrapping around histone proteins). These structures help package and regulate access to genetic information.
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