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Nucleic acid


nucleic acid
a class of molecules composed of joined nucleotides; chief types are desoxyribonucleic acid (DNA) found in cell nuclei (chromosomes), and ribonucleic acid (RNA) found in cytoplasm (ribosomes), nucleoli, etc.
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coming together (annealling) of single-stranded nucleic acid sequences by hydrogen bonding of complementary bases to form double-stranded molecules; ...
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cell, deoxyribonucleic acid (DNA), genetic code (ATGC), messenger RNA (mRNA), protein
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For at least a decade, patent applications claiming nucleic acid sequences, such as genes composed of deoxyribonucleic acid ("DNA"), have been examined and granted patent rights by the PTO.
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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 acid -- class of biochemical compounds which includes DNA and RNA. They are among the largest molecules known. MORE?
nucleoid -- Region in prokaryotes where the DNA is concentrated. Unlike a nucleus, it is not bound by a membrane.
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Nucleic acid: a large molecule composed of repeating nucleotides
Nucleotide: A subunit of DNA or RNA composed of a nitrogenous base, a phosphate molecule, and a pentose sugar molecule.
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Nucleic acid is released inside the cell. It is transcribed and translated to produce more viral DNA, protein coats and spikes.
The virus acquires its membrane when it is released from the cell by budding (exocytosis).
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nucleic acid synthesis (it is converted into purines and thymidine) as well as
protein synthesis (precursor of the amino acids methionine and glycine)
However, ...
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Nucleic acid hybridization
Formation of a double-stranded molecule by base pairing between complementary or homologous polynucleotides.
Nucleoid
The condensed organization of a prokaryote chromosome inside the cell.
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nucleic acid probe
In DNA technology, a labeled single-stranded nucleic acid molecule used to tag a specific nucleotide sequence in a nucleic acid sample.
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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 acid One of a class of molecules composed of joined nucleotides; chief types are deoxyribonucleic acid (DNA), found in cell nuclei (chromosomes) and mitochondria, and ribonucleic acid (RNA), ...
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Nucleic acid: A large molecule composed of nucleotide subunits.
Nucleoside: A term refering to the combination of adenine, cytosine, guanine, or thymine with a ribose or 2-deoxyribose sugar moiety. A nucleoside is not phosphorylated.
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Ribonucleic acid (RNA) is a nucleic acid consisting of a string of covalently-bound nucleotides.
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Ribonucleic acid (RNA)
A chemical found in the nucleus and cytoplasm of cells; it plays an important role in protein synthesis and other chemical activities of the cell. The structure of RNA is similar to that of DNA.
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Ribonucleic acid (RNA): A chemical cousin of DNA, RNA (ribonucleic acid) is responsible for translating the genetic code of DNA into proteins.
Ribosomal RNA (rRNA): A class of RNA found in the ribosomes of cells.
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Deoxyribonucleic acid. See DNA, nuclease.
Diabetes. A disease associated with the absence or reduced levels of insulin, a hormone essential for the transport of glucose to cells.
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(deoxyribonucleic acid): The large double-stranded molecule carrying the genetic code. It consists of four bases (adenine, guanine, cytosine and thymine), phosphate and ribose.
DNA binding motif ...
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DUPLEX - A nucleic acid molecule in which two strands are base paired with each other.
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See deoxyribonucleic acid.
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3' end/5' end: A nucleic acid strand is inherently directional, and the "5 prime end" has a free hydroxyl (or phosphate) on a 5' carbon and the "3 prime end" has a free hydroxyl (or phosphate) on a 3' carbon (carbon atoms in the sugar ring are ...
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The coating of a protein that enclosed the nucleic acid core of a virus. Codon. A group of three nucleotides that specifies addition of one of the 20 amino acids during translation of an mRNA into a polypeptide.
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Base sequence -- a partnership of organic bases found in DNA and RNA; adenine forms a base pair with thymine (or uracil) and guanine with cytosine in a double-stranded nucleic acid molecule.
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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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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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DNA - deoxyribonucleic acid is the double-helix molecule holding the genetic information of organisms that, along with protein, composes the chromatin ...
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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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Southern blotting a type of nucleic acid hybridization test, in which single-stranded DNA from two sources interact. Strands with similar nucleic acid sequences will anneal by base pairing (A with T, and G with C) to form double-stranded molecules.
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For example, all living things make use of nucleic acids as their genetic material, and use the same twenty amino acids as the building blocks for proteins.
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A gene, when in use, is transcribed into RNA -- a nucleic acid similar to DNA. (RNA, like DNA, is made up of nucleotides although t he nucleotide uracil (U) is used in place of thymine (T).) The RNA transcribed from a gene is called messenger RNA.
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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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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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viroid. A portion of infectious nucleic acid, without the protein coat of a virus.
virulence. The relative infectiousness of a bacteria or virus, or its ability to overcome the resistance of the host metabolism.
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Endonuclease enzyme digests nucleic acids starting in the middle of the strand.
Related
Exonuclease Restriction enzyme ...
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All organisms pass on their heredity via the genetic material which is based upon the nucleic acid DNA using a universal genetic code.
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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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