Nucleic acids

Nucleic acids also have secondary structure, most notably single-stranded RNA molecules. RNA secondary structure is generally divided into helices (contiguous base pairs), and various kinds of loops (unpaired nucleotides surrounded by helices).
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Nucleic Acids Sequence Search Page has added BEAUTY-X, a BLASTX version of BEAUTY that adds sequence family membership and conserved and annotated domain information to BLAST searches.
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nucleic acids Polymers composed of nucleotides; e.g., DNA and RNA.
nucleoid The area of the prokaryotic cytoplasm where the chromatin is localized.
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nucleic acids: large molecules comprised of nucleotides.
nucleoli: the small organelles that make up the nucleus; the site for ribosomal synthesis, assembly, and packaging (singular, nucleolus).
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Nucleic acids
DNA
DNA (deoxyribonucleic acid) is the genetic material. It functions by storing information regarding the sequence of amino acids in each of the body's proteins.
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Satellite nucleic acids
Single-stranded satellite DNAs
Double-stranded satellite RNAs
Single-stranded satellite RNAs ...
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The separation of nucleic acids or proteins, on the basis of their size and electrical charge, by measuring their rate of movement through an electrical field in a gel.
gene
[Gk. genos, birth, race; L. genus, birth, race, origin] ...
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Nucleic acids. The two nucleic acids, deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), are made up of long chains of molecules called nucleotides. See DNA, RNA, Nucleotides. Nuclein.
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Either the nonuniform distribution of electrons in a molecule resulting from elements with differing electronegativities bonding; or the distinction between the 5' and 3, ends of nucleic acids.
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gel electrophoresis the process by which nucleic acids (DNA or RNA) or proteins are separated by size according to movement of the charged molecules in an electrical field.
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5' or 3' end The nucleoside residues which form nucleic acids are joined by phosphodiester linkages between the 3' C atom of one ribose moiety and the 5' C atom of the next.
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Superoxide initiates oxidative damage to phospholipids, proteins and nucleic acids. This damage may be a major cause of degenerative disease and aging.
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Another advantage of molecular data is that all known life is based on nucleic acids; thus, studies involving any type of taxa can use DNA sequence data. Some genes or regions of genes evolve quickly.
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(1986) Nucleic Acids Res. 14, 811.
New England Biolabs (unpublished observations)
George, J., Blakesley, R. W. and Chirikjian, J. G. (1980) J. Biol. Chem. 255, 6521.
Polisky, B. et al. (1975) Proc. Natl. Acad. Sci USA 72, 3310.
Kuz'min, N. P.
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Nuclease: An enzyme which degrades nucleic acids. A nuclease can be DNA-specific (a DNase), RNA-specific (RNase) or non-specific.
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ETHIDIUM BROMIDE - Intercalates within the structure of nucleic acids in such a way that they fluoresce under UV light. Ethidium bromide staining is commonly used to visualize RNA or DNA in agarose gels placed on UV light boxes.
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These can be studied at several levels, from proteins and nucleic acids (in biochemistry and molecular biology), cells (in cellular biology), organisms (in botanics, zoology, and other similar disciplines), and finally at the level of populations, ...
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Enzymes like APOBEC-1 may also play a role in defense against invading nucleic acids, such as those of viruses (ref).
Non-human APOBEC3G protein is encapsidated in HIV-1 particles, presumably by binding to the viral RNA.
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Nucleic Acids Research 10:2353, 1982.) shows Southern blots of nuclear DNA from clones of Trypanosoma brucei expressing different variant surface glycoproteins (VSGs). The DNA was digested with the same restriction enzyme (PstI) in every case.
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It is used to describe the non-sugar components of nucleotides (despite the basic nature of nucleotides, nucleic acids are acidic due to the phosphate atoms they contain).
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Enzymes that catalyze the synthesis of nucleic acids on preexisting nucleic acid templates, assembling DNA from deoxyribonucleotides. Cf. RNA polymerase.
Reverse transcriptase
An enzyme that catalyzes the synthesis of DNA from an RNA template.
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Large polynucleotides can either form ribonucleic acids (RNA) or deoxyribonucleic acids (DNA).
RNA and DNA molecules are constructed from just 4 types of nucleotides each. The four types of nucleotides are: ...
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adenine A purine base; component of nucleotides and nucleic acids. A nitrogen base found in both DNA and RNA.
adenohypophysis An endocrine gland.
adenophorea The class of nematodes formerly called Aphasmidia. Examples: Trichinella, Trichuris.
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a pyrimidine component of nucleotides and nucleic acids
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
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nucleotides - serve as building blocks for the construction of nucleic acids. Nucleoside with one or more phosphate group joined in ester linkages to the sugar moiety. DNA andRNA are polymers of nucleotides. Nucleotide Y nucleoside.
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nucleotide -- unit from which nucleic acids are constructed by polymerization. It contains a sugar, a phosphate group, and an organic base. ATP is a nucleotide.
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Pyrimidine: A nitrogen containing, single ring compound that occurs in nucleic acids. In DNA molecules, the pyrimidines are cytosine and thymine.
Radioactive phosphorus (32P): radioactive isotope of 31P, an element found in DNA molecules.
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Intercalating dye
A dye which can insert between the bases of nucleic acids (e.g. ethidium bromide and acridine dyes. Intercalating dyes may be used to stain DNA or to induce frameshift mutation.
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Endonuclease enzyme digests nucleic acids starting in the middle of the strand.
Related
Exonuclease Restriction enzyme ...
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lag phase
The stage of growth of microbial cells in which nucleic acids and proteins are synthesized, but in which there is no cell division.
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