1980 scientific micrograph cellular process of mitosis / united states / audio - 染色體 個影片檔及 b 捲影像00:07
biology: exploring the living world - part 12 of 33. this overview film from the encyclopaedia britannica education biology program will spark students' interest in the study of biology. the film examines the relationship between living things and their p - 染色體 個影片檔及 b 捲影像00:33
laws of heredity - part 4 of 25. the film demonstrates how inheritance is determined in statistically predictable ways. it presents the insights and conclusions about inheritance that were first achieved by gregor mendel - 染色體 個影片檔及 b 捲影像00:32
young father and his child with down syndrome playing with dinosaur toys in the living room at home - 染色體 個影片檔及 b 捲影像00:08
biology: exploring the living world - part 11 of 33. this overview film from the encyclopaedia britannica education biology program will spark students' interest in the study of biology. the film examines the relationship between living things and their p - 染色體 個影片檔及 b 捲影像00:30果蠅
deep blue dna strand in dark space — futuristic biotechnology and genetic data visualization - 染色體 個影片檔及 b 捲影像00:10
3d rendering virus cells attacking a dna animation 4k resolution on microscope background, depth of field. 4k stock video - 染色體 個影片檔及 b 捲影像00:15
first fifty: ebe's golden anniversary retrospective - part 18 of 29. in this 50th anniversary retrospective film, we hear thomas edison's words proclaim that educational films would one day replace the textbook as the basic tool of education. in the 1958 - 染色體 個影片檔及 b 捲影像00:31
biology: exploring the living world - part 10 of 33. this overview film from the encyclopaedia britannica education biology program will spark students' interest in the study of biology. the film examines the relationship between living things and their p - 染色體 個影片檔及 b 捲影像00:30
artificial chromosome; itnusa:man working in laboratorybacteria growing in petri dishman looking up into dish held above his headcbv man looking into... - 染色體 個影片檔及 b 捲影像00:48