36 results found

Search Results for: poly

Poly

poly 1. (Science: prefix) A combining form or prefix denoting many, multiplicity, as polygon, a figure of many angles;... Read More

Polymorphism

Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More

Poly a tail

Definition noun A long stretch of (about ten to 200 or more) adenine nucleotides added to the "tail" or 3' end of the... Read More

Polyol

Definition noun plural: polyols pol•y•ol, ˈpɒlɪɒl A polyhydric alcohol, i.e. an alcohol containing three or more... Read More

Polyadenylation

Definition noun The synthesis of a poly a tail at the end of an RNA molecule. Supplement The adding of a poly-A stretch at... Read More

Polymorph

Definition noun (1) An organism having more than one adult form, e.g. the various adult forms of social ants. (2) A... Read More

Polygenic trait

Polygenic trait definition Polygenic trait refers to a trait that is controlled by multiple non-allelic genes. These genes... Read More

Polyunsaturated fatty acid

Definition noun, plural: polyunsaturated fatty acids Any of a group of unsaturated fatty acids characterized by having more... Read More

Polyvalency

Definition noun The state of being polyvalent. (immunology) The state of being capable of destroying or inactivating more... Read More

Polyvalence

Definition noun The state of being polyvalent. (immunology) The state of being capable of destroying or inactivating more... Read More

Polyvalent

Definition adjective (immunology) Of or pertaining to having several antibodies each capable of destroying or inactivating a... Read More

Polytomous key

Definition noun A reference tool consisting of three or more characters at each branching point for use in identifying... Read More

Biopolymer

Definition noun, plural: biopolymers A polymeric compound produced by a living organism. Supplement Starch, proteins and... Read More

Polygenic inheritance

Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many... Read More

Polynucleotide

Definition noun plural: polynucleotides pol·y·nu·cle·o·tide, ˌpɒlɪˈno͞o′klē-ə-tīd A biopolymer comprised of... Read More

Polyploid

Definition noun, plural: polyploids A cell or an organism having a genome with multiple (more than two) sets of homologous... Read More

Polymer

Definition noun, plural: polymers (1) A compound made up of several repeating units (monomers) or protomers (2) The product... Read More

Polymorphic

Definition adjective (biology) Occurring in many forms, e.g. social ants having many adult forms. Supplement Word origin:... Read More

Polycythemia

Definition noun An increase in the number of circulating erythrocytes in the blood above the minimum normal... Read More

Transcription (biology)

In biology, transcription is the process of transcribing or making a copy of the genetic information stored in a DNA strand... Read More

Messenger ribonucleic acid

Definition noun plural: messenger ribonucleic acids mes•sen•ger ri•bo•nu•cle•ic ac•id, ˈmɛ.sɪn.dʒəɹ... Read More

Protein synthesis

Protein synthesis is the process of creating protein molecules. In biological systems, it involves amino acid synthesis,... Read More

Ribonucleic acid

Ribonucleic Acid Definition noun (uncountable), ribonucleic acids ri·bo·nu·cle·ic ac·id, raɪboʊnjuːkliːɪk... Read More

Hydrophilic

Hydrophilic Definition What does a hydrophile (or hydrophilic molecule) mean? If a molecule is “water-loving”, it is... Read More

Armadillidiidae

Definition noun A taxonomic family comprised of terrestrial woodlouse species that are identifiable chiefly by their... Read More

Genetic Information and Protein Synthesis

Genetic Code Genes are sequences of DNA nucleotides that carry and transmit the information specifying amino acid sequences... Read More

Translation

In biology, translation is a step in protein biosynthesis where a genetic code from a strand of mRNA is decoded to produce a... Read More

Monophyletic

Definition adjective Of, pertaining to, about, or describing that which descended from a single ancestral... Read More

Mature mRNA

Definition noun plural: mature mRNAs The completely processed mRNA molecule in the cell of eukaryotes Details Overview... Read More

Precursor mRNA

Definition noun plural: precursor mRNAs An immature or incompletely processed mRNA molecule in eukaryotes that needs to be... Read More

Sugar

Sugar Definition The term sugar is the generic term for any disaccharides and monosaccharides. Sugars are an essential... Read More

HnRNA

Definition noun, plural: hnRNAs The abbreviated form for heterogeneous nuclear ribonucleic acid: an extrachromosomal RNA... Read More

Hyaline cartilage

Hyaline Cartilage Definition Before we define hyaline cartilage, let us understand what cartilage is. What is cartilage? Is... Read More

Metabolism

Metabolism Definition What is metabolism in the body? Metabolism encompasses the various biochemical processes, reactions,... Read More

Gene Regulation in Eukaryotes

Reviewed by: Mary Anne Clark, Ph.D. Eukaryotic Gene Structure In prokaryotes the DNA is located in the... Read More