close-up of a 3d modeled spinning white dna in a fog. dna part. sliding along dna molecule - 轉錄 個影片檔及 b 捲影像00:20
close-up of a spinning white dna in a fog. dna part. sliding along dna molecule - 轉錄 個影片檔及 b 捲影像00:22白色
rna polymerase (green sphere) is an enzyme that produces rna (right) from dna (down centre). in cells, rnapol constructs rna chains from dna genes as templates for protein synthesis, a process called transcription - 轉錄 個影片檔及 b 捲影像00:13
miklos gaspar, head of digital media and public information at the international atomic energy agency , speaks at a panel titled "reaching the core... - 轉錄 個影片檔及 b 捲影像04:01辦公室
defense attorney bruce castor argues during presentation on fourth day of senate impeachment trial of former president donald trump for incitement of... - 轉錄 個影片檔及 b 捲影像01:23
downing street press conference april 2nd; england: london: westminster: downing street:int matt hancock mp , stephen powis and professor john newton... - 轉錄 個影片檔及 b 捲影像03:43
"guilty or not guilty?" / high-angle shot of spectators in the hunterdon county courthouse inside courtroom / high-angle shot attorneys confer / side... - 轉錄 個影片檔及 b 捲影像01:54