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acid in Biological Dictionary

Uric acid

Uric acid (or urate) is an organic compound of carbon, nitrogen, oxygen and hydrogen with the formula C5H4N4O3. uric acid n. A semisolid compound, C 5 H 4 N 4 O 3 , that is a nitrogenous end product of protein and purine metabolism and is the chief nitrogenous High uric aci...

Ribonucleic acid

Ribonucleic acid (RNA) is a biologically important type of molecule that consists of a long chain of nucleotide units. Each nucleotide consists of a nitrogenous base, a ribose sugar, and a phosphate. RNA is very similar to... Messenger ribonucleic acid (mRNA) is a molecule of RNA e...

Pyruvic acid

Pyruvic acid (CH3COCOOH) is an organic acid . It is also a ketone, as well as being the simplest alpha-keto acid . The carboxylate (COOH) ion (anion) of pyruvic acid , CH3COCOO-, is known as pyruvate, and is a key intersection in several metabolic pathways. It can be made... pyruvic acid...

Nucleic acid

A nucleic acid is a macromolecule composed of chains of monomeric nucleotides. In biochemistry these molecules carry genetic information or form structures within cells. The most common nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). Nucleic ... Peptide nucl...

Deoxyribonucleic acid

Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms and some viruses. The main role of DNA molecules is the long-term... deoxyribonucleic acid n. DNA. ... are controlled by deoxyribonu...

Amino acid

In chemistry, an amino acid is a molecule containing both amine and carboxyl functional groups. These molecules are particularly important in biochemistry, where this term refers to alpha- amino acids with the general formula... amino acid n. An organic compound containing an amino...

Vitamin

...vitamin when it cannot be synthesized in sufficient quantities by an organism, and must be obtained from the diet.... Vitamin C or L-ascorbic acid is an essential ... The pharmacophore of vitamin C is the ascorbate ion. ... 2.2 Vitamin C in evolution. 3 Physiological Function ... Learn...

Virion

...ed from Virion ) Jump to: navigation, search. This article is about the biological agent. ... particle, known as a virion , consists of nucleic acid ... Outside the cell, they consist of particles called virions . ... The virion attaches to the surface of the host cell (usually binding t...

UvrA

...rm a dimer and they both have ATPase/GTPase activity. The UvrA dimer binds with UvrB and forms a trimer which is able to detect DNA ... ... acid sequence homology with the E. coli UvrA protein comprising 940 residues. ... defined by the mutation in DB7 represents a homolog of the E. c...

Urine

... that require elimination from the... urine n. The waste product secreted by the kidneys that in mammals is a yellow to amber-colored, slightly acid fluid discharged from the body A routine urine screening test may be done to help find the cause for many types ... Vitamin B supplements can t...

Urea cycle

... measure substances that reflect how well the urea cycle is working. ... Urea cycle disorders are a group of inherited conditions of amino acid ... Infants and children with a urea cycle defect should have regular follow-up ... of urea cycle disorders including. citrullinemia and a...

Untranslated RNA

... (nmRNA), small non-messenger RNA (snmRNA),... Messenger ribonucleic acid (mRNA) is a molecule of RNA encoding a chemical "blueprint" ... untranslated RNA molecules that are processed into short (17 ... ... acid ( RNA ) is a ... RNA . 2.1 Untranslated Regions. 2.2 Anti-sense mRNA. 3 ...

Ubiquitin

... Among eukaryotes, ubiquitin is highly conserved, meaning that the amino acid ... "The human ubiquitin -52 amino acid fusion protein gene shares several structural ... "Effect of ubiquiti...

Transposase

...rences site-specific recombination ( in nucleic acid (chemical compound): Site-specific recombination...2 ... The alignment of the transposase amino acid sequences from these IS1 family ... These resul...ed with 15 mM ... Asterisks indicate the amino acid residues conserved in all of the transposase se...

Transient transfection

...sion topics ... Transfection of animal cells typically involves opening transient pores or ' ... In transfection , the introduced nucleic acid may be transient , such that it does ... Transfection of animal cells typically involves opening transient pores or " ... High-efficiency...

Transesterification

...eactions are often catalyzed by the addition of an acid or base. Biodiesel production is the act of pro...n ) ( organic chemistry ) Conversion of an organic acid ester into another ester of that same BIODIESEL...nsesterification of the oil with. alcohol. Direct acid catalyzed ... transesterification ... The tr...

Transfer RNA

...sfer RNA is a small RNA molecule that transfers a specific active amino acid to a growing polypeptide chain at the ribosomal site of protein synt...nswer: by means of transfer RNA molecules, each specific for one amino acid ... This image shows the structure of alanine transfer RNA (tRNAala) f...

Transcription unit

...A synthesis, or transcription , is the process of transcribing DNA nucleotide sequence information into RNA sequence information. Both nucleic acid sequences... JAVS TU-50 Transcription Unit . T R A N S C R I P T I O N. Overview and Features. ... up for the TU-50 Transcription Unit . Fig...

Transcription

...A synthesis, or transcription , is the process of transcribing DNA nucleotide sequence information into RNA sequence information. Both nucleic acid sequences... Transcription (genetics), the copying of DNA into messenger RNA in gene expression ... Speech recognition transcription ....

Transcapsidation

...biology terms,biology abbreviations ... Transcapsidation . Transcapsidation . ... Transcapsidation . The partial or full coating of the nucleic acid of one virus with a coat protein of a differing virus. ... transcapsidation ( ¦tranz′kapsə′dāshən ) ( virology ) Change in the capsid of...

Trans-

... Trans 7, an Indonesian commercial television station ... trans fatty acid n. An unsaturated fatty acid produced by the partial hydrogenation of vegetable oils and present in hard...

Trans

... Trans 7, an Indonesian commercial television station ... trans fatty acid n. An unsaturated fatty acid produced by the partial hydrogenation of vegetable oils and present in hard...

Thylakoids

... ... IM in thylakoids from C. reinhardtii and C. sorokini ... ... experimental system composed of thylakoids isolated from senescing leaves ... acid pretreatment of the thylakoids and it is inferred that the protease ... ... peripheral proteins in the thylakoids of pea were systematicall...

Thymine

... Thymine is one of the four bases in the nucleic acid of DNA that are represented by the letters G–C–A–T. The others are adenine...ng thymine is called thymidine. ... Thymine is found in the nucleic acid DNA. In RNA thymine is replaced with uracil in most ... Nucleobases: A...

Termination codon

...senger RNA correspond to the addition of an amino acid to a growing protein chain — stop codons signal...termination of this process, releasing the amino acid chain. In... Termination codon , in mo... stop codons (UAA, UGA and UAG) ... of an amino acid due to the decoding of the termination codon ...

TATA box

...TATA box binding protein has a relatively simple shape with only two turns. ... 97.8% of the TATA box binding proteins have the same amino acid sequence. ... TATA box is one of the most important transcription factor binding sites. ... In addition to the TATA Box elements, their ...

Stop codon

...senger RNA correspond to the addition of an amino acid to a growing protein chain — stop codons sign... termination of this process, releasing the amino acid chain. In... Unlike stop codons , the c...e or two of the three STOP codons to an amino acid instead. ... discriminate when a UGA codon shou...

Start codon

... codon or initiation codon encoding the amino acid methionine (Met) in eukaryotes and a modified M... codon , methionine is therefore the first amino acid of many proteins. The start codon is almost a...art codon is AUG. Methionine is the only amino acid specified by just one codon , AUG. ... Psycho...

SnRNA

...splicing, regulation of transcription factors (7SK RNA) or RNA polymerase II (B2 RNA), and maintaining the... The U4 small nuclear Ribo-Nucleic acid (U4 snRNA ) is a non-coding RNA component of the major or U2-dependant spliceosome – a eukaryotic molecular machine involved in the splicing of p...

Small nuclear RNA

...wing places at Britannica. Assorted References types of RNA ( in nucleic acid (chemical compound): Other RNAs ) Many other small RNA molecules with sp...Reddy R, Busch H. Small nuclear RNAs and RNA processing. Prog Nucleic acid Res ... Small Nuclear RNA (snRNA) The RNA polymerases. RNA Pro...

Site-specific recombination

...scussed in the following places at Britannica. Assorted References nucleic acid metabolism ( in nucleic acid (chemical compound): Site - specific recombination ) Site - specific ...

Silent Mutation

...tions that do not result in a change to the amino acid sequence of a protein. They may occur in a non-... in a manner that does not alter the final amino acid sequence. The phrase silent mutation is often...ne that changes the triplet, but leaves the amino acid unchanged. ... Small changes to DNA that were ...

Serum

...uty® Glowing Serum – anti aging skin care that smoothes and conditions skin while encouraging cell renewal. Compare Cheap Prices for Hyaluronic acid Serum at NexTag.com. Shop for Bargain Sporting Goods, Toys, Collectibles, Car Parts, Food, and the Good Things in Life. Colorado Serum Company ...

Sequential Epitope

...ntial (linear) epitope of the ... Glossary of Terms starting with letter L in Molecular Biology ... The minimal epitope size is about 5 amino acid residues. Also called a sequential epitope . ... ... usage bias - competent - complementary - conformational epitope - congenital ... tagge...

Sense strand

...y context, is a general concept used to compare the polarity of nucleic acid molecules, such as DNA or RNA, to other nucleic acid molecules. Depending on the context within molecular... Sense (molecu...

Semen

...me from seven different guys? ... Semen Detection, Sperm Detections, Saliva Detections for Infidelity or Rape by Prostate Specific Antigen (PSA), acid Phosphatase (AP), and microscopic inspection. More about Semen Analysis: Purpose Preparation Normal results Abnormal results Resources Semen An...

Secretin

... cells of the duodenum in the crypts of Lieberkühn. Its primary effect is to regulate the pH of the duodenal contents via the control of gastric acid secretion and buffering with bicarbonate. It was the first... Human secretin receptor is a G protein-coupled receptor which binds secretin an...

Secondary Structure

...ents are observed to combine in specific geometric ... look at motifs consisting of no more than three secondary structure elements. ... Amino acid preferences for different secondary structure : Alpha helix may be considered the default state for secondary structure . ... CLC bio offers ...

Satellite RNA

... A Satellite is a subviral agent composed of nucleic acid that depends on the coinfection of a host cell with a helper or master...cation. When a satellite encodes the coat protein in which its nucleic acid is encapsidated it is referred to as a... The sequence of WL1 satell...

Saturation mutagenesis

...uration mutagenesis at positions Asp191, Glu192 and Ser208 was carried out ... Structure-guided saturation mutagenesis of N-acetylneuraminic acid lyase for the ... Here, we used structure-guided saturation mutagenesis to produce variants of NAL ... Specificity Based on Combinatorial Satu...
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