kappa particle — kappa particle, a particle containing DNA found in certain strains of paramecia that secretes a toxic substance which kills individuals of sensitive strains … Useful english dictionary
kappa organism — ▪ biology also called Kappa Particle, gram negative symbiotic bacterium found in the cytoplasm of certain strains of the protozoan Paramecium aurelia. These bacteria, when released into the surroundings, change to P particles that… … Universalium
particle — 1. A very small piece or portion of anything. 2. An elementary p. such as a proton or electron. [L. particula, dim. of pars, part] alpha p. (α) a p. consisting of two neutrons and two protons, with a positive charge (2e+); emitted energetically… … Medical dictionary
kappa-meson — noun an unstable meson produced as the result of a high energy particle collision • Syn: ↑kaon, ↑k meson, ↑K particle • Hypernyms: ↑meson, ↑mesotron … Useful english dictionary
K particle — noun an unstable meson produced as the result of a high energy particle collision • Syn: ↑kaon, ↑kappa meson, ↑k meson • Hypernyms: ↑meson, ↑mesotron * * * noun Usage: usually capitalized K … Useful english dictionary
List of genetics-related topics — This is a list of terms related to genetics. NOTOC # * 3 end * 5 end A * Acentric chromosome * Achondroplasia * Active site * Adam s Curse * Adaptation * Adenine * Adenosine * Adenovirus * Adenosine diphosphate (ADP) * Ala * Alagille syndrome *… … Wikipedia
List of genetic engineering topics — NOTOC # 3 end 5 end A Acentric chromosome Achondroplasia Active site Adam s Curse Adaptation Adenine Adenosine Adenosine diphosphate Adenovirus ADP Ala Alagille syndrome Albino Alcoholism Alkylating agent Allele Allele frequency Alleles… … Wikipedia
Paramecium — (= Paramoecium) Genus of ciliate protozoans. The slipper animalcule is cigar shaped, covered in rows of cilia and about 250 m m long. Free swimming, common in freshwater ponds: feeds on bacteria and other particles. Reproduces asexually by binary … Dictionary of molecular biology
viroid — Extremely small viruses of plants. Their genome is a 240 350 nucleotide circular RNA strand, extensively base paired with itself, so they resist RNAase attack. At one time the term was also used casually of self replicative particles such as the… … Dictionary of molecular biology
Gerard K. O'Neill — in 1977 Born February 6, 1927 … Wikipedia