locking key

简明释义

锁定开关

英英释义

例句

1.Make sure you have the locking key before attempting to open the safe.

在尝试打开保险箱之前，请确保你有锁定钥匙。

2.The locking key for this door is designed to be tamper-proof.

这扇门的锁定钥匙设计为防篡改。

3.Each employee is issued a locking key for their assigned locker.

每位员工都会发放一把用于他们分配的储物柜的锁定钥匙。

4.The new security system uses a unique locking key to prevent unauthorized access.

新的安全系统使用独特的锁定钥匙来防止未经授权的访问。

5.He lost the locking key and couldn't enter his office.

他丢失了锁定钥匙，无法进入他的办公室。

作文

In the world of biology, the concept of a locking key is often used to explain how enzymes interact with substrates. Enzymes are biological catalysts that speed up chemical reactions in living organisms, and they do so by binding to specific molecules called substrates. The analogy of a locking key illustrates how an enzyme's active site (the 'lock') is shaped to fit a particular substrate (the 'key'). This specificity is crucial for the proper functioning of biochemical processes. For example, consider the enzyme amylase, which breaks down starch into sugars. Amylase has a unique shape that allows it to bind only to starch molecules. When the starch fits into the active site of amylase, it triggers a reaction that transforms the starch into simpler sugars. This process can be likened to inserting a locking key into a lock; only the correct key can open the lock, just as only the right substrate can activate the enzyme.The locking key model is not limited to enzymes; it also applies to many other biological interactions. For instance, hormones bind to specific receptors on cell surfaces, much like a locking key fitting into a lock. This interaction initiates a series of cellular responses that are vital for maintaining homeostasis in the body. If the wrong hormone tries to bind to a receptor, it will not fit properly, and the intended response will not occur. Understanding the locking key mechanism is essential for various fields, including medicine and biotechnology. By knowing how enzymes and substrates interact, scientists can design drugs that mimic or inhibit these interactions. For example, certain medications are designed to block enzymes that contribute to disease progression, effectively acting as a 'wrong key' that prevents the 'lock' from opening. This approach has been particularly successful in treating conditions like hypertension and cancer.Moreover, the locking key concept extends beyond biology into the realm of technology and security. In computer science, for instance, encryption algorithms use keys to secure information. A digital key must match a specific code to unlock encrypted data, similar to how a biological key fits into a lock. This analogy highlights the importance of specificity and security in both biological systems and technological applications.In conclusion, the locking key analogy provides a powerful framework for understanding complex interactions in biology and technology. It emphasizes the significance of specificity in biological processes, which is crucial for the proper functioning of enzymes and hormones. Additionally, this concept underscores the parallels between biological and technological systems, illustrating how the principles of locking and unlocking extend across different fields. As we continue to explore the intricacies of life and technology, the locking key model will remain a valuable tool for deciphering the mechanisms that govern both natural and artificial systems.

在生物学的世界中，“锁和钥匙”的概念常用于解释酶如何与底物相互作用。酶是生物催化剂，可以加速生物体内的化学反应，它们通过与特定分子（称为底物）结合来实现这一点。“锁和钥匙”的比喻说明了酶的活性位点（“锁”）如何与特定的底物（“钥匙”）形状相符。这种特异性对于生化过程的正常功能至关重要。例如，考虑酶淀粉酶，它分解淀粉为糖。淀粉酶具有独特的形状，使其只能与淀粉分子结合。当淀粉适合淀粉酶的活性位点时，它会触发一个反应，将淀粉转化为更简单的糖。这个过程可以比作将“锁和钥匙”插入锁中；只有正确的钥匙才能打开锁，就像只有合适的底物才能激活酶。“锁和钥匙”模型不仅限于酶；它还适用于许多其他生物相互作用。例如，激素与细胞表面的特定受体结合，就像“锁和钥匙”适合于锁一样。这种相互作用启动了一系列细胞反应，对于维持身体的稳态至关重要。如果错误的激素尝试与受体结合，它将无法正确适配，预期的反应将无法发生。理解“锁和钥匙”机制对于医学和生物技术等各个领域至关重要。通过了解酶和底物如何相互作用，科学家可以设计模仿或抑制这些相互作用的药物。例如，某些药物被设计为阻止导致疾病进展的酶，有效地充当“错误的钥匙”，阻止“锁”的打开。这种方法在治疗高血压和癌症等疾病方面尤其成功。此外，“锁和钥匙”的概念超越了生物学，延伸到技术和安全领域。例如，在计算机科学中，加密算法使用密钥来保护信息。数字密钥必须与特定代码匹配才能解锁加密数据，这与生物学中的钥匙适配锁类似。这一比喻强调了生物系统和技术应用中特异性和安全性的重要性。总之，“锁和钥匙”的比喻为理解生物学和技术中的复杂相互作用提供了强有力的框架。它强调了生物过程中特异性的意义，这对酶和激素的正常功能至关重要。此外，这一概念突显了生物和技术系统之间的相似性，说明了锁和解锁的原则如何跨越不同领域。随着我们继续探索生命和技术的复杂性，“锁和钥匙”模型将仍然是解读自然和人工系统所支配机制的宝贵工具。