In what direction is DNA read? As in, is it 3'- 5'? Why? What are the two main steps in going from a gene to a protein? On which segment of the human chromosome is an enzyme reverse transcriptase located? What is the branch of genetics that deals with the expression of genes...
What are the sides of DNA made of? What is a DNA adduct? When does DNA synthesis occur in the cell cycle? What structure forms as DNA unwinds? What feature of DNA replication makes it semiconservative? What direction is transcription?
In addition to fragment libraries, there are two other specialized methods of library preparation: paired-end libraries and mate-pair libraries.Paired-end libraries allow users to sequence the DNA fragment from both ends, instead of typical...
7. What is quantum uncertainty and why is it important? 7.什么是量子不确定性,为什么它很重要? 8. Will there ever be a "theory of everything"? 8.会有“万有理论”吗? 9. Why does time seem to flow in only one direction? 9.为什么时间似乎只朝一个方向流动? 10. What is dark matter?
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In the chemical reactor there's a vacuum very close to that of interstellar space. And the temperature is minus 200° Celsius.在化学反应堆中有一个非常接近星际空间的真空空间。温度是- 200摄氏度。We made the ice, we can see a bit here, a sort of growth on the edge of the window. The ...
From any point on a surface, there is a curve in each direction. A ball has two convex curves at any point; the inside of a sphere, two concave curves (Alberti 1436). At the top of a steep slope, a wide ski-run may fall away steeply—a convex curve—but in the orthogonal directi...
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is the need to generate a double strandbreak (DSB) in the DNA at a specific locus in the genome. To achieve thisprecise DSB researchers have developed engineered nucleases, also termed “molecularscissors”. Previous efforts have focused in the molecular understanding andredesign of different ...
One gene, in particular, caught their eye: ALK, or the gene for anaplastic lymphoma kinase, is a stretch of DNA whose mutant(突变体)form has been associated with human cancers. "But its normal function had never been established." So the scientists made mutant fruit flies and mutant mice....