题目简述DNA结构。(DNA’s backbone) 相关知识点: 试题来源: 解析 DNA是以磷酸糖为骨架、由两条反方向平行的剪辑连组成的双螺旋结构。 DNA is a double helix made of two anti-parallel strands of bases on a sugar-phosphate backbone.反馈 收藏
In another report, 20 bytes (160 bits) of digital data was stored in DNA nanostructures and read back using super-resolution microscopy with 100 percent data retention39. Another study stored 14 KB of data in the form of DNA backbone nicks of pre-existing DNA hard drives13,31. While ...
The backbone of DNA computing is DNA hybridization, which is also the source of errors. To mitigate the errors in DNA computing, often, we require sufficiently dissimilar DNA strands (called DNA codes) that satisfy certain constraints, such as the Hamming distance constraint, the GC-content ...
[10]. DNA is made up of a double helix of two complementary strands that are replicated synchronously, in a process known as semiconservative replication[63][6,39].Fig. 1[10,34]. Replicative DNA polymerases synthetize the new complementary strand of DNA by the stepwise addition of the corres...
On the damaged strand, R197, S219 and the main chain of K220 display a direct interaction with the DNA backbone (Fig. 1e, g and Supplementary Fig. S6c, d). On the undamaged strand, the attachment of AAG to NCP is strengthened by the interactions between the phosphate backbone and ...
Sugars and phosphates form the backbone of the DNA molecule and the succession of the four bases, adenine (A), thymine (T), cytosine (C), and guanine (G), represents the genetic code. This structure codes for all genetically determined traits in a living organism from metabolism to ...
This type of bonding is hydrogen bonding. 这种类型的键是氢键。 Phosphate and sugar are linked together to make backbone and complementary bases are attached on it. 磷酸和糖连接在一起,形成主干,互补的碱基连接在上面。 Due to the bond angle of the sugar-phosphate molecules, the linkages will even...
The displacement is made possible by the extraordinarily high stability of the PNA-DNA hybrids. The results show that the backbone of DNA can be replaced by a polyamide, with the resulting oligomer retaining base-specific hybridization. 展开 ...
nucleotide through a connection called aphosphodiester bond(Figure 3). It is this alternating sugar-phosphate arrangement that forms the "backbone" of a DNA molecule. How is the DNA strand organized? Although DNA is often found as a single-stranded polynucleotide, it assumes its most stable form...
in one step. Instead, entire genes are synthesized in double-stranded fragments. The fragments are then overlapped and annealed. Any missing nucleotides are filled in using the enzymeDNA polymeraseI. Any nick (missing a phosphodiester bond) in the sugar-phosphate backbone, is sealed usingDNA ...