Dictionary » G » Geometries ## GeometriesOrigin: f. Geometrie, L. Geometria, fr. Gr, fr. To measure land, the earth _ to measure. So called because one of its earliest and most important applications was to the measurement of the earth's surface. See geometer. 1. That branch of mathematics which investigates the relations, properties, and measurement of solids, surfaces, lines, and angles; the science which treats of the properties and relations of magnitudes; the science of the relations of space. 2. A treatise on this science. Analytical, or coordinate, geometry, that branch of mathematical analysis which has for its object the analytical investigation of the relations and properties of geometrical magnitudes. Descriptive geometry, that part of geometry which treats of the graphic solution of all problems involving three dimensions. Elementary geometry, that part of geometry which treats of the simple properties of straight lines, circles, plane surface, solids bounded by plane surfaces, the sphere, the cylinder, and the right cone. Higher geometry, that pert of geometry which treats of those properties of straight lines, circles, etc, which are less simple in their relations, and of curves and surfaces of the second and higher degrees. ## Results from our forum## Re: Relationship between structure and function of glucoes... with poly-α-D-glucose forming curving fibers and poly-β-D-glucose forming linear fibers (as you wrote, Adz, due to different hydrogen-bonding geometries). I don't think there is a similar logic to the L- vs. D- amino acids. I'm now speculating: I think that a simple protein composed entirely ...
See entire post - Tue Sep 13, 2011 3:48 pm
- Forum: Molecular Biology
- Topic: Relationship between structure and function of glucoes
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## Re: Probability of a given mutation... thing was, the probability of mutation changed, depending upon which of the two codons was used. The two different codons gave different DNA geometries, which gave different mutation probabilities. There is also the possibility that the particular order in which proteins are encoded on the ...
See entire post - Fri Mar 04, 2011 8:02 pm
- Forum: Evolution
- Topic: Probability of a given mutation
- Replies:
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## Re: Base Pair GeometriesCheck Understanding DNA by Calladine and Drew.They explain geometry of DNA and connect it with sequence..propeller twisted AA/TT with little roll and slide values(around 0 if you look plot) , GG/CC repel when slide is near zero(forbidden zone)..so they're moved(bistable on plot), CA/TG with wide ran...
See entire post - Sat Dec 05, 2009 3:10 am
- Forum: Molecular Biology
- Topic: Base Pair Geometries
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**1195**
## Base Pair GeometriesHey, confused on this point: Are base pair properties such as roll and tilt defined to be relative to the adjacent base pair, or relative to the helical axis? eg. Is tilt the angle a base pair makes with a line perpindicular to the helical axis, or is it the angle it makes with the adjacent base? I ...
See entire post - Tue Dec 01, 2009 1:06 am
- Forum: Molecular Biology
- Topic: Base Pair Geometries
- Replies:
**2** - Views:
**1195**
## The Fiber Disease... 648, 678, 736), and good correlation has been observed between total surface area (estimated from solute exclusion measurements and assumed pore geometries) (647) and the rate of substrate hydrolysis. Gama et al. (202), however, applying a modified solute exclusion technique to five different ...
See entire post - Wed Dec 20, 2006 9:34 pm
- Forum: Human Biology
- Topic: The Fiber Disease
- Replies:
**7403** - Views:
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