| 单词 | ribose |
| 例句 | Glavin’s team will also search for even more complex organic molecules, such as peptides—short segments of proteins—and sugars, like ribose, that are used by life. NASA delivers bounty of asteroid samples to Earth 2023-09-24T04:00:00Z In the case of RNA, the five-carbon sugar is ribose, not deoxyribose. Concepts of Biology 2013-04-25T00:00:00Z The sugars ribose and deoxyribose are components of the backbones of RNA and DNA, respectively. Chemistry 2019-02-14T00:00:00Z Fructose and ribose also form rings, although they form five-membered rings as opposed to the six-membered ring of glucose. Biology for AP Courses 2022-06-09T00:00:00Z RNA uses the sugar ribose instead of deoxyribose, RNA generally is single stranded, and RNA contains uracil in place of thymine. Miller & Levine Biology 2018-01-01T00:00:00Z RNA contains ribose, one phosphate group, and one nitrogen-containing base, but the “choices” of base for RNA are adenine, cytosine, guanine, and uracil. Anatomy and Physiology 2013-06-19T00:00:00Z Figure 9.5 The difference between the ribose found in RNA and the deoxyribose found in DNA is that ribose has a hydroxyl group at the 2' carbon. Concepts of Biology 2013-04-25T00:00:00Z Sutherland and his colleagues therefore sought more likely ways to make ribose sugars and ribonucleosides. The First Organism on Earth May Have Been a Genetic Hybrid 2020-06-22T04:00:00Z The base is attached to the 1′ position of the ribose, and the phosphate is attached to the 5′ position. Biology for AP Courses 2022-06-09T00:00:00Z ATP consists of adenine, a 5-carbon sugar called ribose, and three phosphate groups. Miller & Levine Biology 2018-01-01T00:00:00Z Second, the ribose sugar in RNA contains an additional oxygen atom compared with DNA. Anatomy and Physiology 2013-06-19T00:00:00Z It also differs from DNA in that it contains the sugar ribose, rather than deoxyribose, and the nucleotide uracil rather than thymine. Concepts of Biology 2013-04-25T00:00:00Z Another flaw in the RNA world idea has been the difficulty of making ribose in the conditions that probably existed on the early Earth—and to then connect it to a base. The First Organism on Earth May Have Been a Genetic Hybrid 2020-06-22T04:00:00Z The difference between the sugars is the presence of the hydroxyl group on the second carbon of the ribose and hydrogen on the second carbon of the deoxyribose. Biology for AP Courses 2022-06-09T00:00:00Z The University of New Mexico and Los Alamos National Laboratory are partnering on a research project studying interactions of boron and ribose in groundwater on Mars. BYU helping NASA prep for human mission to Mars 2019-07-04T04:00:00Z The sugar ribose is only one piece of RNA. How an ancient cataclysm may have jump-started life on Earth 2019-01-10T05:00:00Z These in turn react with another simple molecule, urea, to form compounds that then react with a sugar called ribose to make one last set of intermediate compounds. Chemists find a recipe that may have jump-started life on Earth 2018-10-18T04:00:00Z Scientists believe boron may have led to the formation of the sugar ribose and ribonucleic acid, or RNA, which is present in all living cells on Earth. NASA troubleshooting problem with Mars rover drill 2016-12-13T05:00:00Z DNA contains deoxyribose and thymine, while RNA contains ribose and uracil. Biology for AP Courses 2022-06-09T00:00:00Z So what is the recipe for making ribose in space? Complex sugars cooked up from 'comet ice' - BBC News 2016-04-08T04:00:00Z Other researchers have laid out how ribose may have reacted with other compounds to give rise to individual RNA letters, or nucleosides. How an ancient cataclysm may have jump-started life on Earth 2019-01-10T05:00:00Z Researchers trying to reconstruct the chemistry that led to life had shown plausible ways in which ribose and the bases could have arisen. Making Sense of the Chemistry That Led to Life on Earth 2015-05-04T04:00:00Z This organic molecule is an essential building block of ribose, a component of RNA. Mega-array reveals birthplace of giant stars 2012-12-19T18:20:19.060Z The ATP molecule consists of a ribose sugar and an adenine base with three phosphates attached. Biology for AP Courses 2022-06-09T00:00:00Z The resulting residue, when they tested it using multiple "fancy techniques", contained not only ribose, but a veritable cookbook of complex molecules. Complex sugars cooked up from 'comet ice' - BBC News 2016-04-08T04:00:00Z If the biosynthetic pathway for the hypothetical arseno-DNA is analogous, we must assume that the arsenic atom fated to replace phosphate originated in the five-position arsenate ester of ribose, the sugar. [Technical Comment] Comment on ?A Bacterium That Can Grow by Using Arsenic Instead of Phosphorus? 2011-06-02T18:25:14.937Z But in prebiotic chemistry, the assumed natural chemistry of Earth before life began, they could find no likely way of joining ribose to a base. Making Sense of the Chemistry That Led to Life on Earth 2015-05-04T04:00:00Z A compound of adenine, ribose, and phosphoric acid was found in yeast, blood, and in skeletal muscle of mammals. History of Phosphorus Deoxyribose is similar in structure to ribose, but it has an H instead of an OH at the 2′ position. Biology for AP Courses 2022-06-09T00:00:00Z Adenosine is a nucleoside consisting of the nitrogenous base adenine and a five-carbon sugar, ribose. Biology for AP Courses 2022-06-09T00:00:00Z The three phosphate groups, in order of closest to furthest from the ribose sugar, are labeled alpha, beta, and gamma. Biology for AP Courses 2022-06-09T00:00:00Z Each nucleotide consists of a sugar, ribose in the case of RNA, joined to a base at one end and to a phosphate group at the other. Making Sense of the Chemistry That Led to Life on Earth 2015-05-04T04:00:00Z The sugar is deoxyribose in DNA and ribose in RNA. Biology for AP Courses 2022-06-09T00:00:00Z |
| 随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。