Search

Search results

Displaying 131 - 140

Lederberg, Joshua

(Encyclopedia) Lederberg, JoshuaLederberg, Joshualāˈdərbûrgˌ [key], 1925–2008, American geneticist, b. Montclair, N.J., grad. Columbia, 1944, Ph.D. Yale, 1948. He is known for his studies of the…

endoderm

(Encyclopedia) endodermendodermĕnˈdədûrmˌ [key], in biology, inner layer of tissue formed in the gastrula stage of the developing embryo. At the end of the blastula stage, cells of the embryo are…

autotroph

(Encyclopedia) autotrophautotrophôtˈətrōfˌ [key], in biology, an organism capable of synthesizing its own organic substances from inorganic compounds. Autotrophs produce their own sugars, lipids, and…

Wieschaus, Eric Francis

(Encyclopedia) Wieschaus, Eric Francis, 1947–, American biologist and geneticist, b. South Bend, Ind., Ph.D. Yale 1974. He was a researcher at the European Molecular Biology Laboratory in Heidelberg…

Winter, Sir Gregory Paul

(Encyclopedia) Winter, Sir Gregory Paul, 1951–, British biochemist, Ph.D. Cambridge, 1976. He has spent most of his career as a researcher at the Laboratory of Molecular Biology in Cambridge, England…

notochord

(Encyclopedia) notochordnotochordnōˈtəkôrdˌ [key], in biology, supporting rod running most of the length of animals of the phylum Chordata and present at varying times in the life cycle. Composed of…

Nüsslein-Volhard, Christiane

(Encyclopedia) Nüsslein-Volhard, Christiane,1942–, German biologist and geneticist, Ph.D. Univ. of Tübingen, 1973. Since 1985 she has been director of the genetics division of the Max Planck…

Ohsumi, Yoshinori

(Encyclopedia) Ohsumi, Yoshinori, 1945–, Japanese biologist, Ph.D. Univ. of Tokyo, 1974. He was a researcher at the Univ. of Tokyo from 1977 to 1996, when he joined the National Institute for Basic…

Commoner, Barry

(Encyclopedia) Commoner, Barry, 1917–2012, American biologist, educator, and activist, one of the founders of the modern environmental movement, b. Brooklyn, N.Y., grad. Columbia (B.A., 1937),…

mesoderm

(Encyclopedia) mesoderm, in biology, middle layer of tissue formed in the gastrula stage of the developing embryo. At the end of the blastula stage, cells of the embryo are arranged in the form of a…