aldohexose

简明释义

英[/ˌæl.doʊˈhɛk.soʊs/]美[/ˌæl.doʊˈhɛk.soʊs/]

n. 己醛醣

英英释义

单词用法

同义词

反义词

例句

1.Galactose a sugar found in lactose and many polysaccharides. It is an aldohexose, isomeric with glucose. See also sugar.

是存在于乳糖和多糖中的一种六醛糖，为葡萄糖的同分异构体。参见。

2.Galactose a sugar found in lactose and many polysaccharides. It is an aldohexose, isomeric with glucose. See also sugar.

是存在于乳糖和多糖中的一种六醛糖，为葡萄糖的同分异构体。参见。

3.The metabolism of aldohexoses 醛基六碳糖 is essential for energy production in living organisms.

在生物体内，aldohexoses 醛基六碳糖的代谢对能量生产至关重要。

4.Fructose is not an aldohexose 醛基六碳糖 because it contains a ketone group instead of an aldehyde.

果糖不是aldohexose 醛基六碳糖，因为它含有酮基而不是醛基。

5.Glucose is a common example of an aldohexose 醛基六碳糖 that is vital for cellular respiration.

葡萄糖是一个常见的aldohexose 醛基六碳糖，对细胞呼吸至关重要。

6.In biochemistry, the structure of an aldohexose 醛基六碳糖 can influence its reactivity.

在生物化学中，aldohexose 醛基六碳糖的结构可以影响其反应性。

7.Mannose is another type of aldohexose 醛基六碳糖 that plays a role in glycoprotein synthesis.

甘露糖是另一种类型的aldohexose 醛基六碳糖，在糖蛋白合成中发挥作用。

作文

In the fascinating world of organic chemistry, carbohydrates play a crucial role in various biological processes. Among these carbohydrates, a specific category known as aldohexose stands out. An aldohexose is a type of sugar that contains six carbon atoms and an aldehyde group. The presence of the aldehyde group distinguishes it from other hexoses, such as ketoses, which contain a ketone group instead. This structural difference is significant because it affects how these sugars react chemically and their roles in living organisms.One of the most common examples of an aldohexose is glucose, which is vital for cellular respiration in many organisms. Glucose is often referred to as blood sugar, as it circulates in the blood and serves as a primary energy source for cells. When we consume carbohydrates, our bodies break them down into glucose, which can then be utilized by cells to produce adenosine triphosphate (ATP), the energy currency of the cell.Another important aldohexose is galactose, which is a component of lactose, the sugar found in milk. Galactose is less sweet than glucose and must be converted into glucose by the liver before it can be used for energy. This conversion is essential for individuals who consume dairy products, as it allows them to utilize the energy stored in lactose effectively.The structural formula of aldohexoses reveals their unique characteristics. They typically have a linear form and a cyclic form, with the latter being more prevalent in solution. In the cyclic form, the aldehyde group reacts with one of the hydroxyl groups on the sugar, creating a hemiacetal. This reaction is crucial because it not only stabilizes the molecule but also influences its reactivity and interactions with other biomolecules.Moreover, aldohexoses can undergo various reactions, such as oxidation and reduction, which are essential for metabolic pathways. For example, glucose can be oxidized to form gluconic acid, a process that is utilized in various biochemical applications. Additionally, aldohexoses can participate in glycosylation reactions, where they bond with proteins or lipids, influencing the structure and function of these biomolecules.Understanding aldohexoses is critical in fields such as biochemistry, nutrition, and medicine. For instance, in diabetes management, monitoring blood glucose levels is vital, as high levels can lead to serious health complications. Knowledge of how aldohexoses like glucose function in the body helps healthcare professionals devise effective treatment plans and dietary recommendations.In conclusion, aldohexoses are more than just simple sugars; they are integral components of life. Their unique structures and functions underscore the complexity of biochemical processes. As we continue to explore the intricacies of carbohydrates, we gain a deeper appreciation for the role of aldohexoses in sustaining life and promoting health. From providing energy to participating in critical biochemical reactions, aldohexoses are fundamental to our understanding of biology and chemistry alike.

在有机化学的迷人世界中，碳水化合物在各种生物过程中发挥着至关重要的作用。在这些碳水化合物中，一种特定类别称为醛糖，脱颖而出。醛糖是一种含有六个碳原子和一个醛基的糖。醛基的存在使其与其他六碳糖（如酮糖）区分开来，后者含有酮基。这种结构差异是重要的，因为它影响了这些糖的化学反应及其在生物体中的作用。最常见的醛糖例子之一是葡萄糖，它对许多生物体的细胞呼吸至关重要。葡萄糖通常被称为血糖，因为它在血液中循环并作为细胞的主要能量来源。当我们摄入碳水化合物时，我们的身体将其分解为葡萄糖，随后细胞可以利用葡萄糖生成三磷酸腺苷（ATP），即细胞的能量货币。另一个重要的醛糖是半乳糖，它是乳糖的组成部分，乳糖是牛奶中的糖。半乳糖的甜度低于葡萄糖，必须在肝脏中转化为葡萄糖才能被用作能量。这种转化对食用乳制品的人来说至关重要，因为它使他们能够有效地利用乳糖中储存的能量。醛糖的结构式揭示了它们独特的特性。它们通常具有线性形式和环状形式，而后者在溶液中更为普遍。在环状形式中，醛基与糖上的一个羟基反应，形成半缩醛。这一反应至关重要，因为它不仅稳定了分子，还影响了其反应性和与其他生物分子的相互作用。此外，醛糖可以经历各种反应，如氧化和还原，这对代谢途径至关重要。例如，葡萄糖可以被氧化形成葡萄糖酸，这一过程在各种生化应用中得到利用。此外，醛糖可以参与糖基化反应，与蛋白质或脂质结合，影响这些生物分子的结构和功能。理解醛糖对于生物化学、营养学和医学等领域至关重要。例如，在糖尿病管理中，监测血糖水平至关重要，因为高水平可能导致严重的健康并发症。了解醛糖（如葡萄糖）在人体内的作用有助于医疗专业人员制定有效的治疗计划和饮食建议。总之，醛糖不仅仅是简单的糖；它们是生命的重要组成部分。它们独特的结构和功能突显了生化过程的复杂性。随着我们继续探索碳水化合物的复杂性，我们对醛糖在维持生命和促进健康中的作用有了更深刻的认识。从提供能量到参与关键的生化反应，醛糖对我们理解生物学和化学至关重要。