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Lecture
Videos
A lecture is an oral presentation intended to present information or teach people about a particular subject, for example by a university or college teacher. Lectures are used to convey critical infor
Lecture at the Australian Defence Force Academy
Lecture at the Australian Defence Force Academy
A lecture at the University of Bologna in Italy in the mid-fourteenth century. The lecturer reads from a text on the lectern while students in the bac
A lecture at the University of Bologna in Italy in the mid-fourteenth century. The lecturer reads from a text on the lectern while students in the back sleep.
Barbara McClintock delivers her Nobel lecture
Barbara McClintock delivers her Nobel lecture
Golan Levin lecturing using a projected slide
Golan Levin lecturing using a projected slide
Barbara McClintock
Videos
Barbara McClintock was an American scientist and cytogeneticist who was awarded the 1983 Nobel Prize in Physiology or Medicine. McClintock received her PhD in botany from Cornell University in 1927. T
Lecture
…at the University of Bologna in Italy in the mid-fourteenth century. The lecturer reads from a text on the lectern while students in the back sleep. Barbara McClintock delivers her Nobel lecture A lecture (from Latin: lectura 'reading') is an oral presentation intended to present information or teach people about a…
McClintock in her laboratory, 1947
McClintock in her laboratory, 1947
McClintock children, from left to right: Mignon, Malcolm Rider "Tom", Barbara and Marjorie
McClintock children, from left to right: Mignon, Malcolm Rider "Tom", Barbara and Marjorie
McClintock family, from left to right: Mignon, Tom, Barbara, Marjorie and Sara (at the piano)
McClintock family, from left to right: Mignon, Tom, Barbara, Marjorie and Sara (at the piano)
The relationship of Ac/Ds in the control of the elements and mosaic color of maize. The seed in 10 is colorless; there is no Ac element present, and D
The relationship of Ac/Ds in the control of the elements and mosaic color of maize. The seed in 10 is colorless; there is no Ac element present, and Ds inhibits the synthesis of colored pigments called anthocyanins. In 11 to 13, one copy of Ac is present; Ds can move, and some anthocyanin is produced, creating a mosaic pattern. In the kernel in panel 14 there are two Ac elements, and in panel 15 there are three.