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biology

From The Hutchinson Unabridged Encyclopedia with Atlas and Weather Guide
Science of life . Biology includes all the life sciences – for example, anatomy and physiology (the study of the structure of living things), cytology (the study of cells), zoology (the study of animals), botany (the study of plants), ecology (the study of habitats and the interaction of living species), animal behaviour, embryology, and taxonomy (classification), and plant breeding. Increasingly biologists have concentrated on molecular structures: biochemistry, biophysics, and genetics (the study of inheritance and variation). Biological research has come a long way towards understanding the nature of life. From the late 1990s our knowledge was greatly extended by the Human Genome Project (see human genome ), which led to the analysis of entire genome sequences of many species, including human and chimpanzee. In the ‘postgenomic’ era, interpretation of this vast body of information in terms of protein function and metabolism (known as proteomics and metabolomics respectively) has…
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Full text Article biology

From Word Origins
The modern European languages have made prolific use of Greek bíos ‘life’ as a prefix, particularly in the 20th century. The first compound into which it entered in English seems to have been biotic , in the now obsolete sense ‘of secular life’ (around 1600), but the trend was really set by…
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Full text Article biology

From The Columbia Encyclopedia
the science that deals with living things. It is broadly divided into zoology , the study of animal life, and botany , the study of plant life. Subdivisions of each of these sciences include cytology (the study of cells), histology (the study of tissues), anatomy or morphology, physiology, and…
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Full text Article BIOLOGY

From Gaither's Dictionary of Scientific Quotations
American environmentalist and nature writer The basic science is not physics or mathematics but biology – the study of life. We must learn to think both logically and bio-logically. A Voice Crying in the Wilderness: Notes from a Secret Journal Chapter 10 (p. 94 ) St. Martin's Press. New York New…
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Full text Article Biology

From The SAGE Encyclopedia of Higher Education
The word ‘biology’ is derived from two Greek words: (1) bios , ‘life’ and (2) logos , ‘word’. It thus means, literally, the word about life, but in actual usage it means the study of, or knowledge about, life or living things. Biology has a very wide remit, dealing with aspects of living organisms…
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Full text Article biology

From The Hutchinson Unabridged Encyclopedia with Atlas and Weather Guide
Science of life . Biology includes all the life sciences – for example, anatomy and physiology (the study of the structure of living things), cytology (the study of cells), zoology (the study of animals), botany (the study of plants), ecology (the study of habitats and the interaction of living…
| 639 words
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Full text Article Biology

From SAGE Key Concepts series: Key Concepts in Family Studies
DEFINITION Biological approaches to family life, and use of the terminology of blood kinship, emphasize the role of genetic inheritance and motivations in how people behave and feel towards each other. DISCUSSION ‘Biology’ generally refers to the structure, function, evolution, and other aspects of…
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Full text Article biology

From Encyclopedia of Evolution
Biology is the scientific study of life. Other disciplines study life, and life-forms, from other viewpoints, but biology employs the scientific method. Subdisciplines within biology are presented in the table. Biology has been transformed by the emergence of evolutionary science. Many of the…
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Full text Article biology

From The Chambers Dictionary
the science of living things; the life sciences collectively, including botany, anatomy and physiology, zoology, etc. [ bio- and -logy ] /-loj'/ adj of or relating to biology; physiological; produced by physiological means; effected by living organisms or by enzymes; (of washing powder, etc) using…
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Full text Article Biology

From The Hutchinson Unabridged Encyclopedia with Atlas and Weather Guide
Ancient times Like so much else, the systematic study of living things began with the Greeks. Earlier cultures such as those in Egypt and Babylon in the Near East, and the early Indian and Chinese civilizations in Asia, had their own approaches to the study of Nature and its products. But it was the…
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Full text Article MOLECULAR BIOLOGY

From Gaither's Dictionary of Scientific Quotations
No biographical data available We are at the dawn of a new era, the era of ‘molecular biology’ as I like to call it, and there is an urgency about the need for more intensive application of physics and chemistry, and specially of structure analysis, that is still not sufficiently appreciated. On the…
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