reaction coupling

简明释义

回授耦合

英英释义

例句

1.Understanding reaction coupling (反应耦合) is crucial for designing efficient biochemical pathways.

理解反应耦合对于设计高效的生化途径至关重要。

2.In metabolic pathways, reaction coupling (反应耦合) allows energetically unfavorable reactions to proceed.

在代谢途径中，反应耦合使得能量不利的反应得以进行。

3.The enzyme hexokinase uses reaction coupling (反应耦合) to phosphorylate glucose.

酶己糖激酶利用反应耦合对葡萄糖进行磷酸化。

4.The process of ATP synthesis in cellular respiration is an example of reaction coupling (反应耦合).

细胞呼吸中ATP合成的过程是一个反应耦合的例子。

5.In photosynthesis, light energy drives reaction coupling (反应耦合) to produce glucose.

在光合作用中，光能驱动反应耦合以产生葡萄糖。

作文

In the field of biochemistry, the concept of reaction coupling plays a crucial role in understanding how cells harness energy to drive various metabolic processes. Reaction coupling refers to the process whereby an energetically unfavorable reaction is driven by coupling it with a favorable one, usually involving the hydrolysis of ATP (adenosine triphosphate). This mechanism is essential for maintaining the balance of energy within cells and facilitating complex biochemical pathways.To illustrate this concept, consider the example of muscle contraction. When a muscle cell is stimulated, it requires energy to contract. The reaction that leads to muscle contraction is endergonic, meaning it requires energy input to proceed. However, this energy is supplied through the hydrolysis of ATP, which is an exergonic reaction that releases energy. By coupling these two reactions, the muscle cell can effectively convert the energy released from ATP into mechanical work, allowing for movement.Moreover, reaction coupling is not limited to muscle contraction; it is a fundamental principle that governs many biological processes. For instance, during cellular respiration, glucose is broken down in a series of reactions that release energy. Some of this energy is captured in the form of ATP, which can then be used to drive other endergonic reactions, such as the synthesis of macromolecules like proteins and nucleic acids. This interconnectedness highlights the efficiency of cellular metabolism and the importance of reaction coupling in sustaining life.In addition to its significance in biological systems, reaction coupling is also relevant in industrial applications. For example, in the production of biofuels, certain chemical reactions must be coupled to optimize energy output and yield. By strategically designing processes that utilize reaction coupling, industries can enhance the efficiency of energy conversion and reduce waste, leading to more sustainable practices.Understanding reaction coupling not only provides insight into the intricate workings of life at the molecular level but also opens avenues for innovation in various fields. As researchers continue to explore the mechanisms behind reaction coupling, new strategies may emerge for improving energy efficiency in both biological and industrial contexts. This knowledge could lead to advancements in biotechnology, renewable energy, and even medicine, where targeted therapies might leverage the principles of reaction coupling to enhance drug delivery systems or metabolic engineering.In conclusion, reaction coupling is a fundamental concept that underlies many biochemical processes. By linking energetically unfavorable reactions with favorable ones, organisms can efficiently utilize energy to perform vital functions. Whether in the context of muscle contraction, cellular respiration, or industrial applications, the principles of reaction coupling demonstrate the remarkable adaptability and efficiency of biological systems. As we deepen our understanding of these mechanisms, we pave the way for new innovations that could significantly impact our approach to energy use and sustainability in the future.

在生物化学领域，反应耦合的概念在理解细胞如何利用能量驱动各种代谢过程中起着至关重要的作用。反应耦合是指通过将一个能量上不利的反应与一个有利的反应耦合在一起，从而驱动该反应的过程，这通常涉及ATP（腺苷三磷酸）的水解。该机制对维持细胞内能量的平衡以及促进复杂的生化途径至关重要。为了说明这一概念，可以考虑肌肉收缩的例子。当肌肉细胞受到刺激时，它需要能量来收缩。导致肌肉收缩的反应是吸热的，意味着它需要输入能量才能进行。然而，这种能量是通过ATP的水解提供的，后者是一个放热反应，释放出能量。通过耦合这两个反应，肌肉细胞可以有效地将从ATP中释放的能量转化为机械工作，从而实现运动。此外，反应耦合不仅限于肌肉收缩；它是许多生物过程的基本原则。例如，在细胞呼吸过程中，葡萄糖通过一系列反应被分解，释放出能量。其中一部分能量以ATP的形式被捕获，然后用于驱动其他吸热反应，如大分子的合成（如蛋白质和核酸）。这种相互联系突显了细胞代谢的效率以及反应耦合在维持生命中的重要性。除了在生物系统中的重要性外，反应耦合在工业应用中也具有相关性。例如，在生物燃料的生产中，某些化学反应必须耦合以优化能量输出和产量。通过战略性地设计利用反应耦合的过程，工业可以提高能量转换的效率并减少废物，从而导致更可持续的实践。理解反应耦合不仅提供了对生命在分子层面上复杂运作的深入了解，而且为各个领域的创新开辟了新途径。随着研究人员继续探索反应耦合背后的机制，可能会出现新的策略，以改善生物和工业背景下的能量效率。这一知识可能导致生物技术、可再生能源甚至医学的进步，其中靶向疗法可能利用反应耦合的原理来增强药物递送系统或代谢工程。总之，反应耦合是一个基本概念，支撑着许多生化过程。通过将能量上不利的反应与有利的反应链接起来，生物体能够有效地利用能量执行重要功能。无论是在肌肉收缩、细胞呼吸还是工业应用的背景下，反应耦合的原理都展示了生物系统的卓越适应性和效率。随着我们对这些机制理解的加深，我们为未来在能量使用和可持续性方面的新创新铺平了道路。