Tooth enamel
Tooth enamel is the hardest and most highly mineralized substance of the body,Ross et al., p. 441 and with dentin , cementum , and dental pulp is one of the four major tissues which make up the tooth . It is the normally visible dental tissue of a tooth and must be supported by under more
Barbara McClintock
Barbara McClintock (June 16 , 1902 – September 2 , 1992 ) was a pioneering American scientist and one of the world's most distinguished cytogeneticists . McClintock received her Ph.D. in botany from Cornell University in 1927, where she was a leader in the development more
Autism
*
* Connections to autism resources at the National Dissemination Center for Children with Disabilities
more
Alfred Russel Wallace
Alfred Russel Wallace OM , FRS (8 January 1823 – 7 November 1913 ) was a British naturalist , explorer , geographer , anthropologist and biologist .
He did extensive fieldwork first in the Amazon River basin, and then in the Malay Archipelago , where he identifie more
Metabolism adenosine triphosphate , a central intermediate in energy metabolism.
Metabolism is the set of chemical reaction s that occur in living organism s in order to maintain life . These processes allow organisms to grow and reproduce, maintain their structures, and respond to their environme more