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....
Synthesis of DNA by DNA polymerase occurs in the 5' to 3' direction. Due to the anti-parallel nature of DNA strands, the template strand used to guide...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our ex...
in the right context, in zones favourable to life. It is here in Turin that the gigantic 3D jigsaw puzzle of the European ExoMars is being assembled.我们现在对火星非常了解，可以专门寻找那些在适宜的环境下、在适宜生命存在的地带被保存下来的东西。在...
What strand is synthesized during DNA replication? What is semiconservative DNA replication? In what direction does DNA replication occur? What is sense RNA? What is the lagging strand in DNA replication? What is the point of DNA replication?
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...
5. How is immune homeostasis maintained and regulated? 5.如何维持和调节免疫稳态? 6. Is there a scientific basis to the Meridian System in traditional Chinese medicine? 6.中医的经络系统有科学依据吗? 7. How will the next generation of vaccines be made?
Although he only had 3 dollar in his wallet, at least he was driving in the right direction. 题目+答案Q1: Why did the police officer stop the SUV car?Q2: What did the boy tell the police officers he was planning to do? News Report 2音频原文Mobile phones have changed the way we ...
The legs were too small to be useful—they weren’t even connected to its pelvis and couldn’t have supported its weight—but it clearly shows Basilosaurus’ evolution from land creatures,so that’s a giant step in the right direction.Even better, it establishes Ambulocetus as a clear link ...
Whether or not you can trust your gut is hardly a straightforward question, especially given the role that anxiety and paranoia can play in decisive moments. Fortunately, there are ways that you can hone your intuition so that gut feelings are more likely to lead you in the right direction....
the completely objective intrinsic nature of the thing, which one might or might not be able to reach. It may be more accurate to think of objectivity as a direction in which the understanding can travel. And in understanding a phenomenon like lightning, it is legitimate to go as far away...