aldoses

简明释义

英[ˈɔːldəʊsɪz]美[ˈælˌdoʊsɪz]

n. 醛醣；[有化]醛糖（aldose 的复数）

英英释义

单词用法

同义词

反义词

例句

1.The simple sugars monosaccharides0 are basically aliphatic polyhydroxy aldehydes and ketones: HOCH2 - CHOH n-CHO and HOCH2 - CHOOH n-1-C-O-Ch2OH, called "aldoses" and "ketoses," respectively.

单糖本质上是脂族的多羟基醛和酮，即HOCH2- (CHOH) 2 -CHO和HOCH 2 - (CHOH) n - 1 - C： O - CH 2 OH，分别称为醛糖和酮糖。

2.Reduction of aldoses or ketoses yield sugar alcohols ,properly called ‘alditols,” HOCH2-(CHOH)n-CH2OH.

醛糖或酮糖被还原后变产生糖醇，确实的叫法为“多羟糖醇”（alditols），HOCH 2 -（CHOH）n-CH 2 OH。

3.Aldoses with four carbon atoms, the tetroses, have two chiral carbon atoms;

含有四个碳原子的醛糖，丁糖，有两个手性碳原子；

4.Mucopolysaccharide was a kind of natural molecular, which was basically consisted of aldoses linked by indicant bond, and was almost found in all organisms including animal, plant and microbe.

粘多糖是由糖苷键连接起来的醛糖或酮糖组成的天然分子，几乎存在于所有的有机体中，包括动物、植物、微生物。

5.Mucopolysaccharide was a kind of natural molecular, which was basically consisted of aldoses linked by indicant bond, and was almost found in all organisms including animal, plant and microbe.

粘多糖是由糖苷键连接起来的醛糖或酮糖组成的天然分子，几乎存在于所有的有机体中，包括动物、植物、微生物。

6.The metabolic pathways involving aldoses are crucial for energy production.

涉及醛糖的代谢途径对能量生产至关重要。

7.Scientists study aldoses to understand their role in cellular processes.

科学家研究醛糖以了解它们在细胞过程中的作用。

8.Glucose is one of the most common aldoses found in nature.

葡萄糖是自然界中最常见的醛糖之一。

9.In biochemistry, aldoses are important sugars that can be found in various organisms.

在生物化学中，醛糖是可以在各种生物中找到的重要糖类。

10.Certain aldoses can be converted into ketoses through isomerization.

某些醛糖可以通过异构化转化为酮糖。

作文

In the world of biochemistry, carbohydrates play a crucial role in various biological processes. Among the diverse types of carbohydrates, one significant category is sugars, which can be classified into two main groups: aldoses and ketoses. An important aspect of understanding these sugars lies in their structural differences and their implications for biological functions. This essay will focus on the group known as aldoses (醛糖), exploring their characteristics, examples, and importance in living organisms.Aldoses are monosaccharides that contain an aldehyde group at one end of their carbon chain. This structural feature distinguishes them from ketoses, which have a ketone group. The simplest form of aldoses (醛糖) is glyceraldehyde, which consists of just three carbon atoms. As the number of carbon atoms increases, the complexity of aldoses (醛糖) also increases, leading to more common sugars such as glucose, galactose, and ribose.Glucose, perhaps the most well-known sugar, is a vital energy source for living organisms. It is a primary product of photosynthesis in plants and serves as a key fuel in cellular respiration for animals. The structure of glucose allows it to easily enter cells and undergo metabolic processes, highlighting the importance of aldoses (醛糖) in energy production. Furthermore, glucose can be converted into other forms of carbohydrates, such as starch and glycogen, which serve as energy reserves.Another interesting example of aldoses (醛糖) is galactose, which is found in milk and dairy products. Galactose plays a significant role in the synthesis of lactose, the sugar present in milk. This sugar is essential for the nutrition of infants and is metabolized differently than glucose. Understanding the metabolism of different aldoses (醛糖) is crucial for nutritional science and can have implications for dietary recommendations.Ribose, another important aldose (醛糖), is a five-carbon sugar that is a component of RNA (ribonucleic acid). RNA is vital for protein synthesis and gene expression in all living organisms. The presence of ribose in RNA highlights the significance of aldoses (醛糖) in the molecular biology of life. Without these sugars, the fundamental processes of life would not be possible.The study of aldoses (醛糖) extends beyond their biological roles; it also encompasses their chemical properties and reactions. For instance, aldoses (醛糖) can undergo oxidation to form acids or reduction to produce alcohols. These reactions are essential in various biochemical pathways and industrial applications, including the production of biofuels and pharmaceuticals.In conclusion, aldoses (醛糖) are a fundamental class of carbohydrates with significant biological and chemical importance. They serve as essential energy sources, building blocks for nucleic acids, and participate in various metabolic pathways. Understanding aldoses (醛糖) and their functions helps us appreciate the complexity of life at the molecular level. As research continues to uncover the intricacies of these sugars, we can expect to learn more about their potential applications in medicine, nutrition, and biotechnology.

在生物化学的世界中，碳水化合物在各种生物过程中发挥着至关重要的作用。在多种类的碳水化合物中，一类重要的分类是糖，它可以分为两大类：醛糖和酮糖。理解这些糖的一个重要方面在于它们的结构差异及其对生物功能的影响。本文将重点关注被称为醛糖（aldoses）的这一组，探讨它们的特征、例子以及在生物体中的重要性。醛糖是含有醛基的一元糖，其位置位于碳链的一端。这一结构特征使它们与酮糖区分开来，后者具有酮基。最简单的醛糖（aldoses）是甘油醛，它仅由三个碳原子组成。随着碳原子数量的增加，醛糖（aldoses）的复杂性也随之增加，导致更常见的糖如葡萄糖、半乳糖和核糖的出现。葡萄糖，也许是最著名的糖，是生物体的重要能量来源。它是植物光合作用的主要产物，并作为动物细胞呼吸的关键燃料。葡萄糖的结构使其能够轻易进入细胞并进行代谢过程，突显了醛糖（aldoses）在能量生产中的重要性。此外，葡萄糖可以转化为其他形式的碳水化合物，如淀粉和糖原，这些都作为能量储备。另一个有趣的醛糖（aldoses）例子是半乳糖，它存在于牛奶和乳制品中。半乳糖在乳糖的合成中起着重要作用，乳糖是牛奶中的糖。这个糖对婴儿的营养至关重要，并且其代谢方式与葡萄糖不同。理解不同醛糖（aldoses）的代谢对于营养科学至关重要，并可能对饮食建议产生影响。核糖是另一种重要的醛糖（aldoses），它是一种五碳糖，是RNA（核糖核酸）的组成部分。RNA在所有生物体中对于蛋白质合成和基因表达至关重要。核糖在RNA中的存在突显了醛糖（aldoses）在生命分子生物学中的重要性。如果没有这些糖，生命的基本过程将无法实现。对醛糖（aldoses）的研究不仅限于它们的生物角色；还包括它们的化学性质和反应。例如，醛糖（aldoses）可以发生氧化反应生成酸或还原反应生成醇。这些反应在各种生化途径和工业应用中至关重要，包括生物燃料和药物的生产。总之，醛糖（aldoses）是一类具有重要生物和化学意义的基本碳水化合物。它们作为重要的能量来源、核酸的构建块，并参与各种代谢途径。理解醛糖（aldoses）及其功能有助于我们欣赏生命在分子水平上的复杂性。随着研究继续揭示这些糖的复杂性，我们可以期待了解到更多关于它们在医学、营养和生物技术中的潜在应用。