l, induced by nerve contact. See agrin.
Chick homologue of myoD.
(1) Cell-mediated lympholysis: the process of target cell lysis by CMCs.
(2) Chronic myeloid leukaemia.
See cytotoxic necrotising factors.
Diverse Phylum of diploblastic animals that includes Classes Hydrozoa (freshwater polyps, small jellyfish), Scyphozoa (large jellyfish), and Anthozoa (sea ...
Ectodermal cell of Cnidaria (coelenterates) specialized for defence or capturing prey. Each cell has a nematocyst that can be replaced once discharged.
Process whereby a protein is moved across a membrane as it is being synthesized. This process occurs during the translation of the message at membrane-associated ribosomes in ...
In membrane transport describes tight coupling of the transport of one species (generally Na+) to another (eg. a sugar or amino acid). The transport of Na+ from high to low ...
Colloidal aggregation containing a mixture of organic compounds. One theory of the evolution of life is that the formation of coacervates in the primaeval soup was a step ...
First stage in the formation of a coated vesicle.
Vesicle formed as an invagination of the plasma membrane (a coated pit), and that is surrounded by a basket of clathrin. Associated with receptor-mediated pinocytosis and ...
Polypeptide toxin (71 residues) from Naja kaouthia. One of the alpha-neurotoxins (curaremimetics), it binds to nicotinic acetylcholine receptors with high ...
Drug of abuse and psychostimulant that acts to increase extra-neuronal dopamine in midbrain by binding to the dopamine uptake transporter and hence inhibiting dopamine ...
Bacteria with a spherical shape.
cochlear hair cell
The sound-sensing cell of the inner ear. The cells have modified ciliary structures (hairs), that enable them to produce an electrical (neural) response to mechanical motion ...
Genes in which both alleles of a pair are fully expressed in the heterozygote as, for example, AB blood group in which both A and B antigens are present.
The coding unit of DNA that specifies the function of the corresponding messenger RNA. A triplet of bases recognized by anticodons on transfer RNA and hence specifying an amino ...
Animal of the Phylum Cnidaria. Mostly marine, diploblastic and with radial symmetry. Sea anemones and Hydra are well known examples.
(= celiac disease (USA) )
Gluten enteropathy: atrophy of villi in small intestine leads to impaired absorption of nutrients. Caused by sensitivity to gluten (protein of wheat ...
Body cavity characteristic of most multicellullular animals (all coelomates). Arises within the embryonic mesoderm, that is thereby subdivided into somatic mesoderm and ...
(= coenobia (plural) )
Colony of cells formed by certain green algae, in which little or no specialization of the cells occurs. The cells are often embedded in a mucilaginous ...
Organism that is not subdivided into cells but has many nuclei within a mass of cytoplasm (a syncytium), as for example some fungi and algae, and the acellular slime mould ...
Either: low-molecular weight intermediate that transfers groups between reactions (eg. NAD), or: catalytically active low-molecular weight component of an enzyme (eg. haem). ...
A derivative of adenosine triphosphate and pantothenic acid that can carry acyl groups (usually acetyl) as thioesters. Involved in many metabolic pathways, eg. citric acid ...
(= 2-mercaptoethanesulphonic acid.)
This substance is involved in the formation of methane from carbon dioxide by methanogenic bacteria.
(= CoQ; ubiquinone)
Hydrogen acceptor and donor in the electron transport chain. (Preferred synonym: ubiquinone.)
Inorganic complement of an enzyme reaction, usually a metal ions. See coenzyme.
Actin-severing protein (19 kD), related to destrin. Binds to the side of filaments and is pH sensitive. Shares with tropomyosin a 13 amino acid F-actin binding domain. Very ...
Protein secondary structure motif that does not qualify as alpha-helix, beta sheet or beta turn.
An ubiquitous nuclear organelle containing the mRNA splicing machinery (U1, U2, U4, U5, U6 and U7 snRNAs), the U3 and U8 snRNPs th