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calcium at biology dictionary
...ith hydrofluoric acid, easily obtained by treating calcium fluoride (fluorspar) with concentrated sulf uric acid . Full article >>> amino groups and carbon dioxide; occurs in mitochondria l and cytoplasm ic compartments of the liver . ureotelic Organ isms which excrete excess nitrogen in t......ells , include lipofection, electroporation , and calcium phosphate transfection . Related ... Full article >>> Transfection First used for the transformation of prokaryotic cells by protein -free DNA or RNA from virus es. Also the process of genetic transformation in eukaryoti......n vertebrates , and cacitonin, which lowers blood calcium levels in mammals . Full article >>> thyroid gland : a gland at the base of the neck that produces several hormones , such as thyroxine and calcitonin. T lymphocytes : white blood cells in the lymph nodes that are stimulated ......bital. Full article >>> shell The calcium carbonate outer layer of cnidarians, molluscs, and...d by some unicellular protist s; may be made of calcium carbonate, silica, or sand grains. Full article >>> [L. cortex - outer shell , ba......f hermatypic corals, calcareous algae , and other calcium carbonate- secretin g organ isms ... Full article >>>......protein , water-soluble molecule or ion, such as calcium ion or cyclic AMP, that relays a signal to a cell 's interior in response to a signal received by a signal receptor protein . secondary compound ... Full article >>> Ca2+ as a second messenger Ca2+ acts as a signal molecule w......l muscle , there is a much higher concentration of calcium ions (Ca2+) in the sarcoplasmic reticulum than in the cytosol . Full article >>>......rticle >>> Cells undergo immediate calcium de-regulation in the presence of glutamate if the respiratory chain is inhibited; this is due to ATP depletion following ATP synthase reversal and can be reversed by oligomycin. In contrast, DCD is irreversible. Full article >>>......cemaker and other cardiac muscle cells , inward calcium currents determine shape and duration of the plateau phase, which in turn controls the strength and duration of contr action . Full article >>> Although growth is expected to plateau in industrialized countries, it is increasing in......; During normal calcification, a major influx of calcium and phosphate ion s into the cells accompanies ... because fluoride ions are incorporated along with calcium and phosphate ion s in the crystalline structure of which ... Full article >>>......that secrete parathyroid hormone and raise blood calcium levels. Full article >>> parathyroid glands : glands located on the posterior surfaces of the thyroid gland that produce parathyroid hormone . pathogenic : organ isms that cause human disease. PCR : polymerase chain re act......ate bone, that deposits a matrix of collagen and calcium phosphate that forms a mineralized connective tissue . Covered in Lab 13 Animal Diversity III ... Full article >>> Osteocyte a bone cell (osteo = bone; cyto = cell ) Ovary "female" plant structure in which female gameto......ate bone, that deposits a matrix of collagen and calcium phosphate that forms a mineralized connective tissue . Covered in Lab 13 Animal Diversity III ... Full article >>> The micrograph is of Oscillatoria , a filamentous cyanobacterium (magnified about 800 times). Each disk in the chain......rticle >>> A23187 - mobile- carrier calcium ionophore (allows Ca++ ions to cross cell membrane s) origin ally isolated as an antibiotic from Streptomyces chartreusensis. Also known as Calcimycin, Antibiotic A23187. Full article >>> I began writing this book while employed ......llular signal, which is calcium. So, normally, the calcium concentration inside a cell is very low. Way, way lower than you could taste. Full article >>> neuron s Highly specialized cells that generate and trans mit bioelectric impulses from one part of the body to another; the functiona......function of the smooth ER . The ER membrane pumps calcium ions from the cytosol into the cisterna l space. Full article >>> Muscle fibers are multinucleated, with the nuclei located just under the plasma membrane . Most of the cell is occupied by striate d, thread-like myofibrils . ......ticle >>> A chemical signal, such as calcium ion or cyclic AMP that relays a hormonal message from a cell 's surface to its interior. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... Full article >>> The DNA base sequence interrupting the protein - coding sequence ......s to become ready, and then it has to wait for the calcium to come in, and then it can fuse. Full article >>> Used to make polyacrylamide gel s for separation of macromolecules by electrophoresis . Full article >>> Polymers are a sub class of macromolecules . Polymerizati...... , implicated in the regulation of trans membrane calcium conductance, cell -cycle progression and B- lymph ocyte proliferation. Full article >>> When we talk about lymph ocytes , we can separate them into the B- lymph ocyte, that makes the antibodies , and the T- lymph ocyte, that can th......ove across the membrane. A23187 is an example of a calcium ionophore. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... Full article >>> lipid s One of the four class es of organ ic macromolecules . Lipid s function in the long -term storage of biochemical energy, insulation,......e agonists normally elevate [Ca2+]i (intracellular calcium concentration) in endothelial cells , thus stimulating NO production, whereas fluid shear stress, 17b-oestradiol and insulin cause phosphorylation of the serine/threonine protein ... Full article >>> Two types of a highly variab......nents of the blood. Bone also helps regulate blood calcium levels, serving as a calcium sink. Full article >>> A human disease caused by failure of lymphocytes to die on......stimulation of the synapse triggers an influx of calcium into the postsynaptic cell . Full article >>>...... the parathyroid hormone , minimizing the loss of calcium from bones and thus helping to keep bones strong. They promote blood clotting . Progesterone ... Full article >>> estrogen : a hormone produced by the ovaries that stimulates the development of secondary female character istics......e.g., the bony skeleton of vertebrates and the calcium carbonate skeleton of echinoderms); contrasts with exoskeleton . Full article >>> A true endoskeleton (that is, protective tissue derived from mesoderm ) is also present in Echinoderms. Porifera (sponges) possess simple endosk......eticulum in striated muscle cells that stores calcium used to trigger contr action during stimulation. ...th and rough endoplasmic reticulum . Functions in calcium storage as well as protein and lipid synthesis. Full article >>> Endoplasmic ret......that secrete parathyroid hormone and raise blood calcium levels. parazoa (par-uh-zoh-uh) ... Full article >>> Ad renal Glands endocrine glands which are located on top of the kidney s and which secrete hormones such as cortisone and adrenaline ( epinephrine ) (ad- = to toward; renal ......ells , include lipofection, electroporation , and calcium phosphate transfection . Related Stable transfection Transient transfection ... Full article >>> The cells are then briefly heat shocked so the plasmid can cross the plasma membrane . An alternate method, electroporation , u......rmeabilization by digit onin or introduction of a calcium ionophore. Full article >>> most of our hormones ; digit oxin or digoxin in patients receiving these drugs; certain abused drugs for the presence of hepatitis B surface antigen (HBsAg) in donated blood; anti- DNA antibodies i......ization paradoxically decreases the cytoplasm ic calcium elevation following glutamate addition, probably due to an enhanced calcium efflux from the cell . Full article >>> This change in the membrane potential, calle......ufficient calcitriol prevents normal deposition of calcium in bone. In childhood, this produces the deformed bones character istic of rickets. In adults, it produces weakened bones causing osteomalacia. Full article >>> Deficiency of one or more of the brush border oligosaccharidases may......rengthened by the deposition of minerals such as calcium carbonate. 2) A waxy layer ... Full article >>> cuticle A film composed of wax and cutin that occurs on the external surface of plant stems and leaves and helps to prevent water loss. cyanobacteria Blue-green bacteria ; unicell......ate bone, that deposits a matrix of collagen and calcium phosphate that forms a mineralized connective tissue . Covered in Lab 13 Animal Diversity III ... Full article >>> The component of connective tissue surrounding cells and made up of the amorphous ground substance and fibrous p......ions such as magnesium (Mg++), potassium (K+), and calcium (Ca++). Full article >>> coenzyme s Chemicals required by a number of enzymes for proper functioning; also known as enzyme cofactors . cohesion The force that holds molecule s of the same substance together. Full article >......ions such as magnesium (Mg++), potassium (K+), and calcium (Ca++). Full article >>> coenzymes Chemicals required by a number of enzymes for proper functioning; also known as enzyme cofactors . cohesion The force that holds molecule s of the same substance together. Full article >&......e skeleton of vertebrates ; composed chiefly of calcium salts. Also called bone (osseous) tissue . Bone os, G. osteon = bone. Full article >>> Early cells that serve as the mitotic progenitor of an organ in organogenesis . Related Terms: Mitosis ... Full article >>> ......rticle >>> A23187 - mobile- carrier calcium ionophore (allows Ca++ ions to cross cell membrane s) origin ally isolated as an antibiotic from Streptomyces chartreusensis. Also known as Calcimycin, Antibiotic A23187. Full article >>> The material between the nuclear and cel......and mineral deposits. The most abundant mineral is calcium phosphate, although magnesium, carbonate, and fluoride ions are also present. [More on bone] ... Full article >>> cartilage (kar-til-ij) [L. cartilago, gristle] A type of flexible connective tissue with an abundance of collagen ou......rticle >>> A23187 - mobile- carrier calcium ionophore (allows Ca++ ions to cross cell membran...ove across the membrane. A23187 is an example of a calcium ionophore. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... Full article >>> E......is offered by shell s, carapace s (consisting of calcium compound s or silica) and chitin ous exoskelotons. A true endoskeleton (that is, protective tissue derived from mesoderm ) is also present in Echinoderms. Full article >>> Arachnids have a cephalothorax covered with a carapa...calcareous algae algae that contains calcium carbonate. calyx A collective term for all the ...f hermatypic corals, calcareous algae , and other calcium carbonate- secretin g organ isms ... Full article >>> Before their extinction , how......hways, including free-radical generation, impaired calcium buffer ing and the mitochondria l permeability transition . Full article >>> The radioactive hexasaccharide — dissolved in a suitable buffer — is placed in the front chamber ("F"). Serum from a nonimmune animal (e......e skeleton of vertebrates ; composed chiefly of calcium salts. Also called bone (osseous) tissue . Bone os, G. osteon = bone. Full article >>> osteocyte s Bone cell s that lay down new bone; found in the concentric layers of compact bone. Bone cell , a type of connective tissue . PICTU......forms prothrombin into thrombin in the presence of calcium ions; thromboplastin Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> The daughters of Queen Victoria, the princesses Alice and Beatrix, were asymptomatic carrier s of th......owth See Malthusian growth. is composed; primarily calcium pectate and pectic acid. Full article >>>......ize the mitochondria and inhibit mitochondria l calcium accumulation without depleting ATP [Budd and ... Full article >>> 3 Organ isms in all three domain s have two distinct genes that code for the two subunits (alpha and beta) of the enzyme that hydrolyzes ATP to yield energy, ......rticle >>> A23187 - mobile- carrier calcium ionophore (allows Ca++ ions to cross cell membrane s) origin ally isolated as an antibiotic from Streptomyces chartreusensis. Also known as Calcimycin, Antibiotic A23187. Full article >>> With respect to cloning of DNA , refer......#62; calcareous algae algae that contains calcium carbonate. calyx A collective term for all the sepals of a flower . Covered in Lab 8 Seed Plant Reproduction ... Full article >>> Auxotrophic algae . Algae requiring a few organ ically derived substances, such as vitamin......Full article >>> The ApoE effects on calcium are not affected by the blockade of action potent... by inhibition of common ApoE binding site s. The calcium channel involved has been identified as a P/Q-type-like channel. Full article >>> in......disease in which the bones are weakened by reduced calcium absorption . Long -term use of glucocorticoids can result in this condition. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... Full article >>> Although there are limited studies on the bioavailability of the polyp henols, the...
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