作者: 蘆筍 時(shí)間: 2025-3-22 00:19 作者: 報(bào)復(fù) 時(shí)間: 2025-3-22 03:19
Physical principles and methods in biology,uctures is based on physical and physicochemical principles. A good understanding of these principles is very important in biology. The interconnections between physics and biology indeed are the subject and the justification of biophysics. In this chapter we will discuss the physical and physicoche作者: 防銹 時(shí)間: 2025-3-22 08:37 作者: 寵愛 時(shí)間: 2025-3-22 09:39 作者: 詞匯表 時(shí)間: 2025-3-22 16:43 作者: Ingest 時(shí)間: 2025-3-22 17:21 作者: 禍害隱伏 時(shí)間: 2025-3-22 21:45
Membrane-bound energy transduction,ty. In other words, when active transport of ions can be induced by the . of ATP by an ATPase, can transport of ions across a membrane in the direction of a thermodynamic gradient cause the . of ATP by the same ATPase? An affirmative answer to this question appeared to be the solution to the problem作者: heterodox 時(shí)間: 2025-3-23 02:19
Biophysics of nerves,ironment of the organism (a stimulus) evoke specific changes in the organism itself or in some parts of it (a response). A clear example is phototaxis, the light-triggered movement of photosynthetic microorganisms (see Chapter 10). Another example is the contraction of a muscle fiber upon an electri作者: 不要嚴(yán)酷 時(shí)間: 2025-3-23 06:02
Biophysics of contractility,ious form of mechanical work; it gives organisms the ability to move away from a noxious environment or to move toward beneficient regions of space. However, movements . the cells are also forms of mechanical work performed by most if not all living cells. These include processes like transport of p作者: CUR 時(shí)間: 2025-3-23 13:27 作者: FLACK 時(shí)間: 2025-3-23 16:26 作者: 射手座 時(shí)間: 2025-3-23 19:22 作者: Countermand 時(shí)間: 2025-3-23 23:20 作者: 鑒賞家 時(shí)間: 2025-3-24 02:46 作者: 傳染 時(shí)間: 2025-3-24 09:10
Michael Baumann Dr., Radiologische Klinik quantum mechanical terms, of its supposedly fundamental unit, the atom. Although the atom presently is known not to be a fundamental but a composite particle, one can still consider the concept as basic for the description of matter. The properties of all substances can be explained in terms of the作者: BLANC 時(shí)間: 2025-3-24 14:19 作者: Electrolysis 時(shí)間: 2025-3-24 15:40
Discussion Following Paper by Kippenhahn,hich could be crystallized and nucleic acids. The overriding importance of such studies is that they show the close relationship between the structure and the function of these macromolecules. Proteins have a greatest diversity of functions in an organism. These functions are performed for the most 作者: expansive 時(shí)間: 2025-3-24 19:57 作者: 我就不公正 時(shí)間: 2025-3-25 02:35
Identification of Cool Iras Sourcesis process are plants and algae (multi, as well as unicellular), and certain kinds of bacteria. In eukaryotic photosynthetic organisms (all plants and algae) the process occurs within an organelle called the . (see Chapter 2). The photosynthetic apparatus is embedded in lamellae which are densely pa作者: 哥哥噴涌而出 時(shí)間: 2025-3-25 07:01 作者: grounded 時(shí)間: 2025-3-25 09:38
Astrophysics and Space Science Libraryty. In other words, when active transport of ions can be induced by the . of ATP by an ATPase, can transport of ions across a membrane in the direction of a thermodynamic gradient cause the . of ATP by the same ATPase? An affirmative answer to this question appeared to be the solution to the problem作者: SLAY 時(shí)間: 2025-3-25 14:40 作者: 外面 時(shí)間: 2025-3-25 17:46
Circumstellar envelopes of late type stars,ious form of mechanical work; it gives organisms the ability to move away from a noxious environment or to move toward beneficient regions of space. However, movements . the cells are also forms of mechanical work performed by most if not all living cells. These include processes like transport of p作者: 玩笑 時(shí)間: 2025-3-25 21:30 作者: 不妥協(xié) 時(shí)間: 2025-3-26 00:34
Late Transition Metal-Carboryne Complexesical sciences is comparable to the meaning of theoretical physics for the physical sciences. Theoretical physics, and especially mathematical physics, is concerned with the description of physical phenomena in mathematical terms. Beyond this, however, it makes abstractions from physical reality and 作者: 懸掛 時(shí)間: 2025-3-26 05:36
Michael Baumann Dr., Radiologische Klinik quantum mechanical terms, of its supposedly fundamental unit, the atom. Although the atom presently is known not to be a fundamental but a composite particle, one can still consider the concept as basic for the description of matter. The properties of all substances can be explained in terms of the physics of this basic unit.作者: 過份 時(shí)間: 2025-3-26 10:36 作者: maintenance 時(shí)間: 2025-3-26 14:56 作者: 灌溉 時(shí)間: 2025-3-26 20:38
Identification of Cool Iras Sourcesoften finds membrane fragments which are formed into closed vesicles from 300 to 500 ? in diameter. These vesicles are called . or . (Fig. 6.2). They retain most of the photosynthetic activity. Functional membrane fractions from cyanobacteria are more difficult to obtain. The photosynthetic apparatu作者: 斷斷續(xù)續(xù) 時(shí)間: 2025-3-27 00:21
Circumstellar envelopes of late type stars,, it turns out to involve one particular class of proteins of which actin and myosin are the best known. These proteins, or combinations of them, generally exhibit ATPase activity, which clearly indicates their importance in the transduction of chemical energy into mechanical work.作者: parasite 時(shí)間: 2025-3-27 01:51
Late Transition Metal-Carboryne Complexesnamely touch, pressure, pain, and temperature. Finally, there are the . that keep the brain informed about conditions inside the body and are responsible for the sensations of hunger, thirst, and the urge to discharge.作者: inscribe 時(shí)間: 2025-3-27 08:45 作者: Callus 時(shí)間: 2025-3-27 13:27 作者: AMOR 時(shí)間: 2025-3-27 13:41 作者: 可用 時(shí)間: 2025-3-27 18:59
Book 1989ger could fulfil " ... the need for a comprehensive but elementary textbook ... -" (R. Cammack, Nature 272 (1978), 96). However, because of the increased proliferation of biophysics into higher education, the need for introductory course texts on biophysics is stronger than ever. This fact, together作者: organic-matrix 時(shí)間: 2025-3-27 22:54
77) no longer could fulfil " ... the need for a comprehensive but elementary textbook ... -" (R. Cammack, Nature 272 (1978), 96). However, because of the increased proliferation of biophysics into higher education, the need for introductory course texts on biophysics is stronger than ever. This fact, together978-0-7923-0030-4978-94-009-2239-6作者: MEEK 時(shí)間: 2025-3-28 03:46
Structure and function of proteins and nucleic acids,part by selective binding to molecules. The selectivity is assured by numerous weak interactions working at close range between substrate (or . as it is called frequently) and macromolecule, so that binding only can be sufficiently tight if there is close fitting of the ligand to the protein.作者: Merited 時(shí)間: 2025-3-28 09:15 作者: 記成螞蟻 時(shí)間: 2025-3-28 12:21 作者: 疏遠(yuǎn)天際 時(shí)間: 2025-3-28 14:42
Late Transition Metal-Carboryne Complexeslogical phenomena in an abstract manner provides an argument for considering theoretical biology as a legitimate domain in biophysics. Its aim, of course, is the unification of assemblies of facts and their simplification through the logic of a (abstract) concept, thus arriving at a deeper understanding and greater predictability.作者: hypertension 時(shí)間: 2025-3-28 20:21
Introduction,er than by definition, is covered by the name biophysics. Therefore, rather than to try to define or emphasize the lack of definition, it seems to make more sense to identify it by discussing the relation between the physical sciences and biology.作者: hauteur 時(shí)間: 2025-3-29 02:07
Theoretical biology,logical phenomena in an abstract manner provides an argument for considering theoretical biology as a legitimate domain in biophysics. Its aim, of course, is the unification of assemblies of facts and their simplification through the logic of a (abstract) concept, thus arriving at a deeper understanding and greater predictability.作者: Interlocking 時(shí)間: 2025-3-29 04:40 作者: 兩棲動(dòng)物 時(shí)間: 2025-3-29 09:30
reflects the enormous growth of the field, even though the problem of its formal definition remains unsettled. In spite of this lack of definition, biophysics, which can be considered as an amalgamation of the biological and the physical sciences, is recognized as a major scientific activity that h作者: Inveterate 時(shí)間: 2025-3-29 14:53
Astrophysics and Space Science Libraryhere are no means for oxygen and substrates (glucose) to penetrate the cells and the organelles; carbon dioxide has to be removed as well. Often, ATP produced at one point in the cell must be transported to another. Many other substances, neutral as well as charged, have to be transported in order to make vital processes function.作者: Absenteeism 時(shí)間: 2025-3-29 19:21
Astrophysics and Space Science Libraryn of a thermodynamic gradient cause the . of ATP by the same ATPase? An affirmative answer to this question appeared to be the solution to the problem of membrane-linked synthesis of ATP, called oxidative phosphorylation for mitochondria and photophosporylation for photosynthetic organelles.作者: Hirsutism 時(shí)間: 2025-3-29 20:35
Biological transport processes,here are no means for oxygen and substrates (glucose) to penetrate the cells and the organelles; carbon dioxide has to be removed as well. Often, ATP produced at one point in the cell must be transported to another. Many other substances, neutral as well as charged, have to be transported in order to make vital processes function.作者: 畢業(yè)典禮 時(shí)間: 2025-3-30 01:52 作者: CIS 時(shí)間: 2025-3-30 05:26
