coenzyme

简明释义

[kəʊˈenzaɪm][koʊˈenzaɪm]

n. [生化] 辅酶;辅酵素

英英释义

A coenzyme is a non-protein organic molecule that binds to an enzyme and helps it catalyze biochemical reactions.

辅酶是指一种非蛋白质的有机分子,它与酶结合并帮助其催化生化反应。

单词用法

coenzyme a

辅酶A

coenzyme q

辅酶Q

同义词

cofactor

辅因子

Coenzymes are often classified as cofactors that assist enzymes in catalyzing biochemical reactions.

辅酶通常被归类为帮助酶催化生化反应的辅因子。

enzyme activator

酶激活剂

Certain vitamins act as enzyme activators, functioning similarly to coenzymes.

某些维生素作为酶激活剂,功能上类似于辅酶。

反义词

enzyme

Enzymes catalyze biochemical reactions.

酶催化生化反应。

inhibitor

抑制剂

Inhibitors can slow down or stop enzyme activity.

抑制剂可以减缓或停止酶的活性。

例句

1.This result suggested that: 1. Coenzyme-Q10 is an effective drug for treating virus myocarditis.

提示:辅酶Q10是治疗病毒性心肌炎的有效药物。

2.Objective To observe the efficacy of coenzyme complex in treating hepatic encephalopathy.

目的观察复合辅酶治疗肝性脑病的临床疗效。

3.This paper reports that the content of coenzyme Q_(10) injection can be directly determined by orthogonal function spectrophotometry.

本文报告了用正交函数法直接测定辅酶Q_(10)注射液含量的方法。

4.Tetrahydrofolate Coenzyme Models. The Mass Spectrometric Analysis of 1, 2, 3 Trisubstituted Imidazolinium Salts.

四氢叶酸辅酶模型1,2,3 -三取代咪唑啉盐的质谱裂解行为。

5.FMN (flavin mononucleotide) A derivative of riboflavin that is a coenzyme in electron-transfer reactions.

黄素单核苷酸(FMN):核黄素的衍生物,在电子传递反应中是一种辅酶,作为多种脱氢酶的。

6.As we age, our bodys natural production of Coenzyme Q10 slows down, making it harder to convert fats and sugars into energy.

随着年龄的增长,身体自然生成的辅酶Q 10日渐减少,这使得脂肪和糖份不易转化为能量。

7.CONCLUSION Compound coenzyme as shown to improve liver function in patients received TPN.

结论复合辅酶对静脉高营养中的肝脏有保护作用。

8.Ubiquinone (Coenzyme q), known as a carrier of electrons and protons is a redox-active lipid essential in aerobic respiration.

泛醌(辅酶q)在生物体氧化呼吸链中作为重要的质子和电子传递物质。

9.Objective To introduce the progress on new pharmaceutical technology of coenzyme Q10 in recentely years.

目的介绍辅酶Q10制剂新技术研究最新进展。

10.Without sufficient levels of coenzyme 辅酶, the body cannot efficiently produce energy.

没有足够的coenzyme 辅酶,身体无法有效地产生能量。

11.NAD+ is a well-known coenzyme 辅酶 involved in redox reactions.

NAD+是一种参与氧化还原反应的著名coenzyme 辅酶

12.The role of coenzyme 辅酶 A is vital in the synthesis and oxidation of fatty acids.

coenzyme 辅酶A在脂肪酸的合成和氧化中发挥着关键作用。

13.The vitamin B complex acts as a crucial coenzyme 辅酶 in various metabolic reactions.

维生素B复合体在多种代谢反应中充当重要的coenzyme 辅酶

14.Many enzymes require a specific coenzyme 辅酶 to function properly.

许多酶需要特定的coenzyme 辅酶才能正常工作。

作文

In the intricate world of biochemistry, the role of enzymes is paramount. Enzymes are biological catalysts that accelerate chemical reactions in living organisms. However, not all enzymes can function independently; some require additional molecules to assist them in their catalytic activity. This is where the concept of coenzyme comes into play. A coenzyme is a non-protein molecule that binds to an enzyme and is essential for its activity. These molecules often serve as carriers for chemical groups or electrons during the enzymatic reaction, thereby facilitating the conversion of substrates into products.One of the most well-known examples of a coenzyme is NAD+ (Nicotinamide adenine dinucleotide). NAD+ plays a crucial role in cellular respiration, particularly in the metabolic pathways that generate energy. It acts as an electron carrier, accepting electrons during the oxidation of substrates and subsequently donating them to other reactions. This process is vital for the production of ATP, the energy currency of the cell, highlighting the importance of coenzymes in energy metabolism.Another significant coenzyme is Coenzyme A (CoA), which is involved in the synthesis and oxidation of fatty acids and the metabolism of carbohydrates. CoA is essential for the formation of acetyl-CoA, a key intermediate in various metabolic pathways. Without CoA, the body would struggle to efficiently convert nutrients into usable energy, demonstrating how coenzymes are integral to metabolic processes.The significance of coenzymes extends beyond mere energy production. They also play a critical role in biosynthetic pathways, where they assist in the synthesis of essential biomolecules. For instance, folate, a B-vitamin, acts as a coenzyme in the synthesis of nucleotides, the building blocks of DNA and RNA. This highlights the importance of coenzymes in cellular growth and division, as they are crucial for the replication of genetic material.Moreover, the study of coenzymes has implications in medicine and nutrition. Deficiencies in certain vitamins that act as coenzymes can lead to various health issues. For example, a lack of vitamin B12 can impair the function of its corresponding coenzyme, leading to anemia and neurological disorders. Understanding the role of coenzymes in human health can guide dietary recommendations and therapeutic interventions.In conclusion, coenzymes are indispensable components of enzymatic reactions, playing vital roles in metabolism, biosynthesis, and overall cellular function. Their ability to facilitate complex biochemical processes underscores their importance in both health and disease. As we continue to explore the depths of biochemistry, the study of coenzymes will undoubtedly reveal more about the intricate mechanisms that sustain life. Therefore, recognizing the significance of coenzymes not only enhances our understanding of biological systems but also emphasizes the need for proper nutrition to support these essential molecules in our bodies.

在生物化学的复杂世界中,酶的作用至关重要。酶是加速生物体内化学反应的生物催化剂。然而,并不是所有酶都能独立发挥作用;有些酶需要额外的分子来帮助它们进行催化活动。这就是辅酶概念的由来。辅酶是一个非蛋白质分子,它与酶结合,并对其活性至关重要。这些分子通常作为化学基团或电子的载体,在酶促反应过程中促进底物转化为产物。其中一个众所周知的辅酶是NAD+(烟酰胺腺嘌呤二核苷酸)。NAD+在细胞呼吸中起着至关重要的作用,尤其是在产生能量的代谢途径中。它作为电子载体,在底物氧化过程中接受电子,然后将其捐赠给其他反应。这个过程对于ATP的生成至关重要,ATP是细胞的能量货币,这突显了辅酶在能量代谢中的重要性。另一个重要的辅酶是辅酶A(CoA),它参与脂肪酸的合成和氧化以及碳水化合物的代谢。CoA对于形成乙酰辅酶A(acetyl-CoA)至关重要,乙酰辅酶A是多种代谢途径中的关键中间体。如果没有CoA,身体将难以有效地将营养物质转化为可用的能量,这表明辅酶在代谢过程中是不可或缺的。辅酶的重要性不仅仅限于能量生产。它们还在生物合成途径中发挥关键作用,帮助合成必需的生物分子。例如,叶酸作为一种B维生素,在核苷酸的合成中充当辅酶,核苷酸是DNA和RNA的构建块。这突显了辅酶在细胞生长和分裂中的重要性,因为它们对遗传物质的复制至关重要。此外,研究辅酶在医学和营养学方面也具有重要意义。某些作为辅酶的维生素缺乏可能导致各种健康问题。例如,缺乏维生素B12会损害其对应的辅酶的功能,导致贫血和神经系统疾病。理解辅酶在人类健康中的作用可以指导饮食建议和治疗干预。总之,辅酶是酶促反应中不可或缺的组成部分,在代谢、生物合成和整体细胞功能中发挥着至关重要的作用。它们促进复杂生化过程的能力突显了它们在健康和疾病中的重要性。随着我们继续探索生物化学的深度,对辅酶的研究无疑将揭示更多维持生命的复杂机制。因此,认识到辅酶的重要性不仅增强了我们对生物系统的理解,还强调了适当营养对支持我们身体中这些必需分子的必要性。