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在图形图像绘制软件、动画制作软件、后期编辑软件、声音获取编辑软件中各自选择一种你最喜欢的或者你最关注的软件,并将原因用一两句话简单描述。
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皮皮学刷刷变学霸
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【简答题】遗传物质改变引起的变异属于______的变异，仅由______引起的变异属于不可遗传的变异．
【多选题】What is an intron?
A.
Most protein-coding eukaryotic genes, in contrast, have their coding sequences interrupted by long, noncoding, intervening sequences called introns.
B.
The scattered pieces of coding sequence—called expressed sequences or exons—are usually shorter than the introns, and they often represent only a small fraction of the total length of the gene.
C.
Introns range in length from a single nucleotide to more than 10,000 nucleotides.
D.
Some protein-coding eukaryotic genes lack introns altogether, some have only a few, but most have many.