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Spontaneous in Biological Dictionary

Spontaneous generation

... spontaneous generation or Equivocal generation is an ... distinguished from ... Background — spontaneous Generation . Today, we take many things in ... This experiment disproved the idea of spontaneous generation for larger organisms. ... ...

Mutation

... when a DNA gene is damaged or changed ... spontaneous mutations occur without exposure to any obvious ... a DNA sequence! ... A mutation is any spontaneous heritable change in DNA sequence that ... DNA replication that results in a change in ... spontaneous mutation (def) occurs naturally (a normal ...

Frameshift Mutation

... three ... Most frameshift mutations , whether spontaneous or chemically ... Mutations and Health. ... Frameshift mutations : deletion, insertion. . spontaneous mutation ... Frameshift mutations : The ... translated three nucleotide bases (one ... spontaneous Frameshift Mutations in Saccharomyces ...

Exergonic reaction

... the Gibbs free energy is negative, indicating a spontaneous reaction . Symbolically, the release of Gibbs ... Gibbs free energy is negative, [ 1 ] indicating a spontaneous Endergonic reaction This article does not ... (g) (remember exergonic as in explosion, a very spontaneous reaction ) ... 1. Exergonic reactions are ...

Origin of life

... of the origin of life . ... A discussion main models on the spontaneous origin of life that aims to show how cellular complexity could have ... of life . Human ... Origin Of Life - The rise and fall of spontaneous Generation. Francesco Redi. Louis Pasteur. ... was thought to be the ...

Monogenic

... definitions of popular ... Monogenic Disorders Associated With spontaneous Pneumothorax: A significant number of families who experience familial spontaneous pneumothorax have mutations in the ... Pronunciation of monogenic . ...

Vas deferens

... Vas Deferens cut twice or Re-canalization? Wife pregnant after vasectomy ... How the vas deferens can re-join itself after vasectomy ... spontaneous recanalization is where the vas deferens manages to "grow back" and ... What is Congenital Bilateral Absence of the Vas Deferens (CBAVD)? ...

Transversion

... In molecular biology, transversion refers to the substitution of a purine for a pyrimidine or vice versa . It can only be reverted by a spontaneous reversion. Because this type of mutation changes the chemical structure dramatically, the consequences of this change tend to be more severe and ...

Sarcoplasmic reticulum

... of rat heart sarcoplasmic reticulum (SR) were subjected to a solid ... Assessment of sarcoplasmic reticulum Ca2+ depletion during spontaneous Ca2 ... posted to sr sarcoplasmic ryanodine reticulum release receptor protein channel ... Zoology information, history, articles and ...

Photon

... ... In modern physics, the photon is the elementary particle responsible for ... 6 Bose–Einstein model of a photon gas. 7 Stimulated and spontaneous emission ... Photon Research Associates, Inc. (PRA) is a cutting-edge technology services and products company. ... In modern physics, the ...

Phase variation

... Colony morphology and phase variation correlates with the presence of pili on ... For these strains, phase variation can be achieved by spontaneous mutations in ... This phenomenon has been labeled phase variation , but it probably does not ... Restriction analysis of phase variation in ...

Myofibrils

... cytoskeletal proteins interconnect the Z-lines of neighbouring myofibrils . ... Myofibrils are often visible in transversely cut cells. ... spontaneous oscillation of tension and sarcomere length in skeletal myofibrils . ... Single myofibrils were isolated from chemically skinned rabbit heart ...

Mutagen

... mutagen any agent (physical or environmental) that can induce a genetic mutation or can increase the rate of ... mutagen specificity (genetics) spontaneous ... Entry in the Material Safety Data Sheet HyperGlossary at ILPI. ... The Environmental Mutagen Society studies mutagenesis and its ...

Indehiscent

... Dehiscence is the spontaneous opening at maturity of a plant structure, such as a fruit, anther, or sporangium, to release its contents. Click on the first link on a line ...

Homologous recombination

... ... Regulation of homologous recombination in mammalian cells ... Finally, homologous recombination contributes to ... RAD51 supports spontaneous non- homologous recombination in mammalian cells, but ... The pathway of non- homologous recombination used in DNA double-strand break ... ...

G1 phase

...... In the early G1 phase , cells respond to external mitogenic stimuli and ... BioInfoBank Library :: G1 Phase :: A fine-structure map of spontaneous mitotic ... Exit from G1 and S phase of the cell cycle is regulated by repressor complexes ... G1 phase • In the cell cycle, the gap ...

Facilitated diffusion

... diffusion is a process of diffusion , a form of passive transport facilitated by transport proteins. Facilitated diffusion is the spontaneous passage of molecules or ions across a biological membrane passing through specific transmembrane transport ... Facilitated Diffusion ...

Electrophysiology

... electrical activities of the heart. The term is usually used to describe studies of such phenomena by invasive (intracardiac) catheter recording of spontaneous activity as well as ... The Heart Rhythm Foundation focuses on patient education and advocacy for patients with cardiac arrhythmias and other ...

Eardrum

... rupture in the eardrum , a thin membrane that separates the ear canal ... The medical term for eardrum is tympanic membrane. ... ... loss and spontaneous rupture (tear) of the ear-drum resulting in a perforation. ... They also might try to patch a cooperative patient's ear-drum in the office. ... ...

Diffusion

... Diffusion summary with 11 pages of encyclopedia entries, essays, summaries, research information, and more. ... Diffusion commonly refers to the spontaneous ... Anions and cations shown moving at random, as via diffusion in a solution. ... For a more extensive review of Diffusion , Osmosis, and ...

Anther

... or the stamens themselves move easily in the breeze, shaking out the pollen, or the pollen containers (anthers) burst ... Dehiscence is the spontaneous opening at maturity of a plant structure, such as a fruit, anther , or sporangium, to release its contents. ANTHER : Each typical flower has ...

Acrosome reaction

... sperm. The acrosome vesicle undergoes exocytosis when the ... capacitation is not necessary for an agonist-induced acrosome reaction . ... spontaneous acrosome reaction was assessed by FITC-PNA lectin before and after ... ...

Abiogenesis

... research information, and more. ... the complete Abiogenesis Study Pack, which ... ... on Abiogenesis ... But abiogenesis differs from spontaneous generation in another ... Essentially, abiogenesis is an exercise in reductionism whereby ... This has been CONFIRMED in Dr. Szostak's ...
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