Thymine

A pair of abnormally chemically bonded adjacent thymine bases in DNA, resulting from damage by ultra-violet irradiation. The cellular processes that repair this lesion often make errors that create mutations.
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One of the four bases in DNA that make up the letters ATGC, thymine is the "T". The others are adenine, guanine, and cytosine. Thymine always pairs with adenine.
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Thymine dimers can be directly converted to unlinked thymines by three means: exposure to low wavelength UV radiation; photosensitization by tryptophan or tryptophan containing peptides; enzymatically.
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Thymine (T)
Thymine is a pyrimidine base (nitrogenous base) and constituent of nulceotides and as such one member of the base pair A-T (adenine-thymine) in DNA.
Guanine (G) ...
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Thymine dimer
See pyrimidine dimer.
Ti plasmid
The large plasmid found in those Agrobacterium tumefaciens cells able to direct crown gall formation on certain species of plants.
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Thymine: A nitrogenous base. Pairs with adenine in DNA molecules.
Virus: A particle consisting of a nucleic acid core surrounded by a protein coat. New virus particles can only be produced by a cell which is infected by the virus.
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thymine One of the pyrimidine bases in DNA, thymine is replaced by uracil in RNA.
thyroid-stimulating hormone A hormone produced by the anterior pituitary that stimulates the production and release of thyroid hormones.
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Thymine (T): A base; one of the molecular components of DNA and RNA. Always bonds with adenine (T-A).
Transcription: The process by which DNA passes genetic information to RNA. Transcription is the first step in producing proteins.
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thymine A pyrimidine base occurring in DNA but not in RNA.
thymus gland A ductless mass of flattened lymphoid tissue situated behind the top of the sternum; it forms antibodies in the newborn and is involved in the development of the immune system.
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Thymine (T): A nitrogenous base, one member of the base pair AT (adeninethymine).
Transcription: The synthesis of an RNA copy from a sequence of DNA (a gene); the first step in gene expression. Compare translation.
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A pair of complementary nitrogenous bases in a DNA molecule--adenine-thymine and guanine-cytosine. Also, the unit of measurement for DNA sequences. Bioaugmentation.
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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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Threonine Threshold[of response to toxic agents] [of neurons] [of skeletal muscle] Thrombin Thrombocytopenic purpura, immune Thrombomodulin Thrombopoietin Thromboxanes (TXs) Thylakoid[structure] [and light reactions] Thymidine kinase Thymine Thymus ...
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thymine dimer pyrimidine dimer. tissue culture Method by which cells derived from multicellular organisms are grown in liquid media. titration curve A plot of the pH versus the equivalents of acid or base added during titration of a base or an acid.
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The first three are the same as those found in DNA, but uracil replaces thymine as the base complementary to adenine. This base is also a pyrimidine and is very similar to thymine.
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In the case of DNA this is comprised of adenine (A), guanine (G), cytosine (C) and thymine (T). RNA is identical with the exception that thymine (T) is substituted with uracil (U). Codons are non-overlapping groups of the three bases.
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A common type of mutation caused by ultraviolet radiation occurs when two thymines become bonded to each other, forming a kink in the DNA molecule.
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An organic acid and polymer composed of four nitrogenous bases--adenine, thymine, cytosine, and guanine linked via intervening units of phosphate and the pentose sugar deoxyribose.
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that the amount of adenine, A, tends to be equal to that of thymine, T).
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important organic compounds (bases) such as cytosine, thymine, and uracil, which are constituents of nucleic acids
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
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Included in this group are the nucleoside analogs, chemicals that are similar to one of the bases (adenine, cytosine, guanine, and thymine) that comprise DNA, but sufficiently different enough to block viral DNA synthesis.
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A nitrogenous base, such as cytosine, thymine, or uracil, with a characteristic single-ring structure; one of the components of nucleic acids.
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(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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Nucleotide: A building block of DNA or RNA consisting of a nitrogenous base (adenine, guanine, thymine, or cytosine in DNA; adenine, guanine, uracil, or cytosine in RNA), a phosphate molecule, ...
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A single-stranded nucleic acid similar to DNA but having ribose sugar rather than deoxyribose sugar and uracil rather than thymine as one of the pyrimidine bases.
Also known as: ribonucleic acid ...
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PYRIMIDINE BASES - Cytosine (C), Thymine (T) or Uracil (U) (see NUCLEOTIDE).
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complementary base pairs - base-pairing between a larger purine base (adenine or guanine) and a smaller pyrimidine base (cytosine or thymine) while DNA is in its double-helix. (A/T, G/C) ...
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pyrimidine: a type of nitrogenous base in DNA molecules that has one ring containing carbon and nitrogen atoms; two examples in DNA are cytosine (C) and thymine (T).
A-D E-K
L-P
R-Z ...
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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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