(Encyclopedia) differentiation, in biology, series of changes that occur in cells and tissues during development, resulting in their specialization. This, in turn, permits a greater variety of…
(Encyclopedia)
CE5
Replication of strands of DNA
CE5
nucleic acid, any of a group of organic substances found in the chromosomes of living cells and viruses that play a central role in the…
(Encyclopedia) Alzheimer's diseaseAlzheimer's diseaseălsˈhīˌmərz, ôls– [key], degenerative disease of nerve cells in the cerebral cortex that leads to atrophy of the brain and senile dementia and,…
IntroductionHistorical Development and Mechanisms of Evolution and Natural SelectionIntroductionEarly Theories of EvolutionNatural Selection and EvolutionNatural-Selection MechanismsDid a giraffe's…
(Encyclopedia) Tsien, Roger Yonchien, 1952–2016, American biochemist, b. New York City, Ph.D. Cambridge, 1977. Tsien was a researcher at Cambridge (1977–81) and a professor at the Univ. of California…
Hank Williams
See also Notable Women Musicians and Dancers Notable African-American Musicians Notable African-American Visual and Performing Artists Asian American Artists and…
SPECIALIZED FOR SURVIVALDUNKLEOSTEUSEVOLUTION OF THE ELEPHANTNATURAL SELECTIONADAPTATIONFIND OUT MOREThe process by which changes occur in living things over time is known as evolution. The…
Natural SelectionGenetic Variation and Natural SelectionIntroductionNatural SelectionPost-Mendelian Inheritance Factors As discussed in Specialized Cell Structure and Function, sexual reproduction…
Early Theories of EvolutionHistorical Development and Mechanisms of Evolution and Natural SelectionIntroductionEarly Theories of EvolutionNatural Selection and EvolutionNatural-Selection Mechanisms…
