People havebeen cloning vegetation for thousands of years,but just recently scientists have been able toclone plants using a technique called tissue culture propagation (繁殖).By taking portions of a plant's roots, calluses can be made which in turncan be stimulated to grow into a new plant ...
On a larger scale, propagating through cloning, like the technique of tissue culture, has proved to be more economical.(克隆植物和树木帮助农民获得更好的收成,并增强了他们对有害病毒和疾病的抵抗力。在更大的范围内,通过克隆繁殖,就像组织培养技术一样,已经被证明是更经济的。)”,故选C。4、本题题意...
故选C。 根据文中On a larger scale, breeding through cloning, like the technique of tissue culture, has proved to be more economical.可知,在水中克隆植物能产生更大的利益。故选C。 阅读全文可知,本文讲述了在水中克隆植物。故选B。反馈 收藏 ...
Beside callus induction, shoot regeneration is additionally a necessary step within the protocol of any plant tissue culture. In many plants, shoots are often regenerated in high frequency from embryogenic callus employing a suitable combination of a cytokinin, most of the time BAP, and an auxin ...
CategoriesAlleles,Cloning,Genes,Genetics,Heredity,Humor Dark DNA May Reveal New Lifeforms 18Jul You probably didn’t know that Viruses make up most of the DNA on our planet. There are more viruses on earth than there are stars in the universe. That’s a really, really, REALLY big number....
All three viruses show the following common characteristics: a short replication cycle, the production of lytic infection in tissue culture and the establishment of latency in neural ganglia [1]. Primary HSV-1 infections often occur in the young child, less than 5 years of age, and are most ...
We used positional cloning to determine the genetic basis of the recessive lht mutant phenotype. Using genetic mapping, we found that the lht locus in medaka is located on chromosome 9 in a region between Ol12338 and Ch28575 (Fig. 2A). Through further fine mapping of this region, we identi...
Functionalized stencils were transferred to tissue culture plastic imaging dishes (Ibiditreat, Ibidi), and 2 Â 103 MDCK cells stably expressing E-cadherin:DsRed or GFP-tubulin were seeded in each well, which were tilted during plating to promote interactions of cells with the sidewalls. Live ...
Definitive haematopoietic stem and progenitor cells (HSPCs) generate erythroid, lymphoid and myeloid lineages. HSPCs are produced in the embryo via transdifferentiation of haemogenic endothelial cells in the aorta–gonad–mesonephros (AGM). HSPCs in the
Since the cloning of neuronal nAChR, muscle α has become α1 and neuronal α are numbered in sequence of discovery. Neuronal nAChR subunits that did not contain the signature vicinal cysteines were designated as non-α in the earlier literature. Today, all neuronal non-α are designated as ...