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Macarulla, Alberto; And Others – Biochemical Education, 1990
A single, didactic criterion for the description of all biological macromolecules is proposed. This criterion is applicable to globular, fibrous or mixed proteins, as well as to nucleic acids and lipids or polysaccharides. Specific examples are given for all except lipids and polysaccarides. (KR)
Descriptors: Biochemistry, College Science, Higher Education, Molecular Structure

Kozliak, Evguenii I. – Journal of Chemical Education, 2004
A molecular approach for introducing entropy in undergraduate physical chemistry course and incorporating the features of Davies' treatment that meets the needs of the students but ignores the complexities of statistics and upgrades the qualitative, intuitive approach of Lambert for general chemistry to a semiquantitative treatment using Boltzmann…
Descriptors: Scientific Concepts, Chemistry, Molecular Structure, Undergraduate Students

Feller, Scott E.; Dallinger, Richard F.; McKinney, Paul Caylor – Journal of Chemical Education, 2004
The computer systems available for molecular modeling are described, along with a discussion of a molecular modeling program created and supported by computational techniques for the first-semester general chemistry course. Various exercises are listed, which direct the learner from a beginner's course in software practice to more complex…
Descriptors: Chemistry, Science Curriculum, Molecular Structure, Higher Education

Pullman, David; Peterson, Karen I. – Journal of Chemical Education, 2004
A scanning tunneling microscope (STM) project designed as a module for the undergraduate physical chemistry laboratory is described. The effects of van der Waals interactions on the condensed-phase structure are examined by the analysis of the pattern of the monolayer structures.
Descriptors: Chemistry, Laboratory Experiments, Laboratory Equipment, Molecular Structure

Hessley, Rita K. – Journal of Chemical Education, 2004
The PC-based software technology, a computational-modeling course, for undergraduate chemistry students helps them to understand the molecular modeling in a better way. This course would be able to accommodate a wider array of topics and a greater depth of theory as the modeling is increasingly incorporated into the chemistry curriculum.
Descriptors: Undergraduate Students, Educational Technology, Chemistry, Molecular Structure
Willemsen, Rob; Oostra, Ben A.; Bassell, Gary J.; Dictenberg, Jason – Mental Retardation and Developmental Disabilities Research Reviews, 2004
Since the identification of the FMR1 gene basic research has been focused on the molecular characterization of the FMR1 gene product, the fragile X mental retardation protein (FMRP). Recent developments in fragile X research have provided new insights and knowledge about the physiological function of FMRP in the cell and the nerve cell in…
Descriptors: Mental Retardation, Genetics, Genetic Disorders, Molecular Structure
Kao,Yvonne S; Zenner, Greta M.; Gimm, J. Aura – Science Scope, 2005
Nanotechnology deals with machines, materials, and structures and their behaviors at the scale of atoms and molecules, or the nanoscale. By working on this scale, scientists are able to create enhanced materials with desirable properties, such as stain-resistance. The authors developed the activity described in this article to introduce middle…
Descriptors: Teaching Methods, Scientific Principles, Scientific Research, Scientists
Dunne, Peter – Physics Education, 2002
The origins of the pion exchange model of nuclear forces are described and the exchange process is reinterpreted in the light of current views on the quark-gluon structure of nucleons. It is suggested that the reinterpretation might provide a picture of cohesive nuclear forces that is more intellectually satisfying than that produced by the…
Descriptors: Nuclear Physics, Quantum Mechanics, Molecular Structure, Scientific Concepts

Ashby, Richard A. – Journal of Chemical Education, 1975
Presents the spectra of the flames of three gaseous mixtures, together with analyses of the rotational, vibrational, and electronic contributions to the spectra. (MLH)
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education

Wolf, Walter A., Ed. – Journal of Chemical Education, 1975
Descriptors: Chemistry, Demonstrations (Educational), Laboratory Equipment, Laboratory Experiments

Brisse, F.; Sundararajan, P. R. – Journal of Chemical Education, 1975
Describes an experiment in which the beam of X-rays is simulated through the use of a laser as a monochromatic light source and the crystal is replaced by photographically prepared masks. A strong diffraction pattern as large as 20 cm. can be obtained. (GS)
Descriptors: Chemistry, College Science, Higher Education, Instructional Materials

Raw, Isaias; And Others – Journal of Chemical Education, 1974
Descriptors: Calorimeters, Chemistry, College Science, Laboratory Procedures

Burr, Robert E. – Science Teacher, 1975
Descriptors: Audiovisual Aids, Chemistry, Demonstrations (Educational), Instructional Materials

Wood, Gordon W. – Journal of Chemical Education, 1975
Describes exercises using simple ball and stick models which students with no chemistry background can solve in the context of the original discovery. Examples include the tartaric acid and benzene problems. (GS)
Descriptors: Chemistry, College Science, Higher Education, Instruction

Baird, N. Colin – Journal of Chemical Education, 1978
Chemical bonding, for most simple complexes, is described in the Mulliken-Walsh Molecular Orbital (MO) theory. (CP)
Descriptors: Chemical Bonding, Chemistry, College Science, Geometry