to have no backbone
91PAH world hypothesis — The PAH world hypothesis is a speculative hypothesis that proposes that polycyclic aromatic hydrocarbons (PAH), assumed to be abundant in the primordial soup of the early Earth, played a major role in the origin of life by mediating the synthesis …
92Polyproline helix — In proteins, a left handed polyproline II helix (PPII, poly Pro II) is formed when sequential residues all adopt (φ,ψ) backbone dihedral angles of roughly ( 75°, 150°) and have trans isomers of their peptide bonds. Similarly, a more compact right …
93Airborne Networking — An Airborne Network (AN) is defined to be the infrastructure that provides communication transport services through at least one node that is on a platform capable of flight. BackgroundDefinitionThe intent of the United States Air Force s… …
94Hungary — /hung geuh ree/, n. a republic in central Europe. 9,935,774; 35,926 sq. mi. (93,050 sq. km). Cap.: Budapest. Hungarian, Magyarország. * * * Hungary Introduction Hungary Background: Hungary was part of the polyglot Austro Hungarian Empire, which… …
95Malaysia — /meuh lay zheuh, sheuh/, n. 1. a constitutional monarchy in SE Asia: a federation, comprising the former British territories of Malaya, Sabah, and Sarawak: member of the Commonwealth of Nations. 20,376,235; 126,310 sq. mi. (327,143 sq. km). Cap …
96mountain — mountainless, adj. /mown tn/, n. 1. a natural elevation of the earth s surface rising more or less abruptly to a summit, and attaining an altitude greater than that of a hill, usually greater than 2000 ft. (610 m). 2. a large mass of something… …
97Computers and Information Systems — ▪ 2009 Introduction Smartphone: The New Computer. The market for the smartphone in reality a handheld computer for Web browsing, e mail, music, and video that was integrated with a cellular telephone continued to grow in 2008. According to… …
98Glossary of diabetes — See also: Diabetes (disambiguation) The following is a glossary of diabetes which explains terms connected with diabetes. Contents: Top · 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z …
99RNA world hypothesis — A comparison of RNA (left) with DNA (right), showing the helices and nucleobases each employs. The RNA world hypothesis proposes that life based on ribonucleic acid (RNA) pre dates the current world of life based on deoxyribonucleic acid (DNA),… …
100Tacticity — (from Greek taktikos : of or relating to arrangement or order) is the relative stereochemistry of adjacent chiral centers within a macromolecule [ Introduction to polymers R.J. Young ISBN 0412221705 ] . The practical significance of tacticity… …
