Elementary BacteriologyLongmans, Green, 1903 - 145 páginas |
Dentro del libro
Resultados 6-10 de 24
Página 23
... matter of surprise , considering how profoundly they are influenced by environment . If the conditions of existence fluctuate - as must frequently be the case in nature - one of two things may happen . Either the organisms change their ...
... matter of surprise , considering how profoundly they are influenced by environment . If the conditions of existence fluctuate - as must frequently be the case in nature - one of two things may happen . Either the organisms change their ...
Página 24
... matter of considerable difficulty . Hence it is that the classi- fication of bacteria is in such an unsatisfactory ... matter ) and parasites ( which grow in living tissues ) is based on the assumption that organic matter is their ...
... matter of considerable difficulty . Hence it is that the classi- fication of bacteria is in such an unsatisfactory ... matter ) and parasites ( which grow in living tissues ) is based on the assumption that organic matter is their ...
Página 25
... matter , and live simply on atmospheric nitrogen . To meet this difficulty Fischer has suggested the division of all bacteria into three groups as follows : - 1. Prototrophic . These require no organic food , and include nitrifying ...
... matter , and live simply on atmospheric nitrogen . To meet this difficulty Fischer has suggested the division of all bacteria into three groups as follows : - 1. Prototrophic . These require no organic food , and include nitrifying ...
Página 26
... matter ; and others again which thrive only at the boiling temperature . It is important , then , to bear in mind that although bacteria in general can grow when supplied with suitable food and tempera- ture , yet their precise ...
... matter ; and others again which thrive only at the boiling temperature . It is important , then , to bear in mind that although bacteria in general can grow when supplied with suitable food and tempera- ture , yet their precise ...
Página 32
... matter to which they are mysteriously attracted ( chemiotaxis ) . This is not the result of an instinct for food , but of the chemical nature of the substance employed as stimulant . The chemiotaxis is said to be positive when the ...
... matter to which they are mysteriously attracted ( chemiotaxis ) . This is not the result of an instinct for food , but of the chemical nature of the substance employed as stimulant . The chemiotaxis is said to be positive when the ...
Otras ediciones - Ver todas
Términos y frases comunes
albumin alcohol aniline animals anthrax antitoxin B.Sc bacilli bacteria Bacteriology body BOTANY cells CHEMICAL CHEMISTRY cholera cocci coli College Coloured containing Crown 8vo Curtis's Essentials D.Sc Diagrams diphtheria diplococci disease disinfectants Edition ELECTRICITY ELEMENTARY PRACTICAL Engineer Essentials of Practical Examination experimental fermentation fever flagella fluid form spores gelatine GEOMETRY germ germicidal give rise grow growth heat Hospital Illus Illustrations immunity infection inoculation INORGANIC intestinal INTRODUCTION JOHN laboratory lactic Lecturer LL.D Lond London malaria malarial Manual matter MECHANICS method methylene blue microbes microscope milk mosquito nitrification nitrogen numerous Examples organisms oxygen parasite pathogenic Ph.D PHYSICS PHYSIOLOGY pigment plants Plates Practical Bacteriology produced Professor protoplasm pure cultures putrefactive pyogenes Royal 8vo School Science soil solution species spirillum spores sputum stained sterilised streptococcus pyogenes Students substances temperature TEXT-BOOK tion tissues toxins trations TREATISE tubercle tuberculosis typhoid typhosus University vegetable venom vibrios WILLIAM Woodcuts yeast
Pasajes populares
Página 31 - A TREATISE ON THE DISEASES OF THE DOG ; being a Manual of Canine Pathology. Especially adapted for the use of Veterinary Practitioners and Students. With 88 Illustrations.
Página 22 - THE STARS IN THEIR SEASONS: an Easy Guide to a Knowledge of the Star-Groups. In 12 Large Maps. Imperial 8vo. , y. ROUGH WAYS MADE SMOOTH.
Página 21 - HALF-HOURS WITH THE STARS: a Plain and Easy Guide to the Knowledge of the Constellations. Showing in 12 Maps the position ot the principal Star-Groups night after night throughout the year. With Introduction and a separate Explanation of each Map. True for every Year.
Página 21 - Our Place among Infinities: A Series of Essays contrasting our Little Abode in Space and Time with the Infinities Around us.
Página 21 - OTHER SUNS THAN OURS : a Series of Essays on Suns— Old, Young, and Dead. With other Science Gleanings. Two Essays on Whist, and Correspondence with Sir John Herschel.
Página 21 - Other Worlds than Ours ; The Plurality of Worlds Studied under the Light of Recent Scientific Researches.
Página 30 - QUAIN'S (JONES) ELEMENTS OF ANATOMY. The Tenth Edition. Edited by EDWARD ALBERT SCHAFER, FRS , Professor of Physiology in the University of Edinburgh ; and GEORGE DANCER THANE, Professor of Anatomy in University College, London. VOL. I., PART I. EMBRYOLOGY.: VOL.
Página 13 - BALE.— A. HAND-BOOK FOR STEAM USERS; being Rules for Engine Drivers and Boiler Attendants, with Notes on Steam Engine and Boiler Management and Steam Boiler Explosions. By M. Powis BALE, MIME, AMICE Fcp. 8vo., 2s.
Página 4 - Works by R. LLOYD WHITELEY, FIC, Principal of the Municipal Science School, West Bromwich. CHEMICAL CALCULATIONS. With Explanatory Notes, Problems and Answers, specially adapted for use in Colleges and Science Schools. With a Preface by Professor F. CLOWES, D.Sc. (Lond.), FIC Crown 8vo., 2s.
Página 27 - SCIENCE AND ART OF SURGERY; a Treatise on Surgical Injuries, Diseases, and Operations. By Sir JOHN ERIC ERICHSEN, Bart., FRS, LL.D.