enzyme

简明释义

英[ˈenzaɪm]美[ˈenzaɪm]

n. 酶

英英释义

单词用法

同义词

反义词

例句

1.It was demonstrated that the increase is due to de novo synthesis of fresh enzyme.

结果表明，酶活性的增加是由新酶的从头合成引起的。

2.Telomerase is an enzyme that is produced only in cells that are actively dividing.

端粒酶是一种只在活跃分裂的细胞中产生的酶。

3.Cannabinoid production starts when an enzyme causes geranyl pyrophosphate and olivetolic acid.

当一种酶引起香叶酰焦磷酸盐和胆酸时，大麻素的生产就开始了。

4.The change of antioxidant enzyme activity in Skeletonema costatum, Heterosigma akashiwo and Alexandrium tamarense under UV-B radiation enhancement were studied.

研究了赤潮异弯藻、亚历山大藻和中肋骨条藻抗氧化酶活性对UV-B辐射增强的响应变化。

5.He went on, "The enzyme is not harmful to humans or animals, and it is friendly to the environment."

他接着说，“这种酶对人类和动物没有伤害，而且对环境是友好的。”

6.This whole conversion process relies on a particular enzyme.

这整个转化过程依赖于一种特殊的酶。

7.The present disclosure provides ketoreductase enzymes having improved properties as compared to a naturally occurring wild-type ketoreductase enzyme.

与天然存在的野生型酮还原酶相比，本公开提供了具有改善的性质的酮还原酶。

8.Angiotensin-converting enzyme (ACE) inhibitors.

血管紧张素转化酶(ace)抑制剂。

9.The enzyme can break down several dyes, such as bromothymol blue, eriochrome black, malachite green, and reactive brilliant blue.

这种酶可以分解几种染料，如溴麝香草酚蓝、羊毛铬黑，孔雀石绿和活性艳蓝。

10.The body uses enzymes to break down food into nutrients.

身体利用酶将食物分解为营养物质。

11.Proteases are a type of enzyme that breaks down proteins.

蛋白酶是一种分解蛋白质的酶。

12.In baking, yeast acts as an enzyme to help the dough rise.

在烘焙中，酵母作为一种酶帮助面团发酵。

13.Certain enzymes in saliva begin the digestion of carbohydrates.

唾液中的某些酶开始消化碳水化合物。

14.The enzyme lactase helps digest lactose in dairy products.

乳糖酶帮助消化乳制品中的乳糖。

作文

Enzymes are biological catalysts that play a crucial role in various biochemical reactions within living organisms. They are proteins that accelerate the rate of chemical reactions by lowering the activation energy required for those reactions to occur. Without enzyme（酶）, many of the processes necessary for life would be too slow to sustain biological functions. For example, digestion relies heavily on enzyme（酶）activity. When we eat food, our body uses different types of enzyme（酶） to break down carbohydrates, proteins, and fats into smaller molecules that can be absorbed and utilized by our cells. The saliva in our mouths contains an enzyme（酶） called amylase, which begins the process of starch digestion even before food reaches our stomachs.The specificity of enzymes（酶） is another fascinating aspect. Each enzyme（酶） is designed to catalyze a specific reaction or type of reaction. This is often described using the 'lock and key' model, where the enzyme（酶） acts as the lock, and the substrate, which is the molecule upon which the enzyme（酶） acts, is the key. Only the correct substrate can fit into the active site of the enzyme（酶）, leading to a reaction. This specificity ensures that the metabolic pathways in our bodies function smoothly and efficiently.Moreover, enzymes（酶） are not only vital in our bodies but also have significant applications in various industries. In the food industry, enzymes（酶） are used in the production of cheese, beer, and bread. For instance, lactase is an enzyme（酶） that helps in the digestion of lactose, the sugar found in milk. Lactose-free products are made by adding lactase to milk, allowing lactose-intolerant individuals to enjoy dairy without discomfort.In the field of medicine, enzymes（酶） are also critical. They are used in diagnostic tests to measure the levels of certain substances in the blood, aiding in the diagnosis of diseases. Additionally, some therapies involve the use of enzymes（酶） to treat conditions such as clotting disorders or enzyme deficiencies.Research continues to uncover more about enzymes（酶） and their potential uses. Scientists are exploring ways to engineer enzymes（酶） with enhanced properties for industrial applications, such as biofuels and biodegradable plastics. The ability to customize enzymes（酶） could lead to more sustainable practices and innovative solutions to environmental challenges.In conclusion, enzymes（酶） are indispensable to life and have far-reaching implications in health, industry, and environmental sustainability. Understanding how these remarkable proteins work allows us to appreciate the intricate balance of biological processes and opens up new avenues for scientific advancement. As we continue to study enzymes（酶） and their functions, we unlock the potential to harness their power for the betterment of human life and the planet.

酶是生物催化剂，在生物体内的各种生化反应中发挥着至关重要的作用。它们是加速化学反应速率的蛋白质，通过降低这些反应发生所需的活化能来实现这一点。如果没有酶（酶），许多维持生命所需的过程将会过于缓慢，无法维持生物功能。例如，消化在很大程度上依赖于酶（酶）的活动。当我们进食时，身体使用不同类型的酶（酶）将碳水化合物、蛋白质和脂肪分解成可以被细胞吸收和利用的小分子。我们口腔中的唾液含有一种名为淀粉酶的酶（酶），它甚至在食物到达胃之前就开始了淀粉消化的过程。酶（酶）的特异性是另一个引人入胜的方面。每种酶（酶）都旨在催化特定的反应或类型的反应。这通常用“锁和钥匙”模型来描述，其中酶（酶）充当锁，而底物，即酶（酶）作用的分子，则是钥匙。只有正确的底物才能适合酶（酶）的活性位点，从而导致反应。这种特异性确保了我们体内的代谢途径顺利高效地运作。此外，酶（酶）不仅在我们体内至关重要，而且在各个行业中也具有重要应用。在食品工业中，酶（酶）被用于奶酪、啤酒和面包的生产。例如，乳糖酶是一种帮助消化乳糖（牛奶中的糖）的酶（酶）。无乳糖产品是通过向牛奶中添加乳糖酶制成的，使乳糖不耐受者能够享用乳制品而不感到不适。在医学领域，酶（酶）同样至关重要。它们用于诊断测试，以测量血液中特定物质的水平，帮助诊断疾病。此外，一些疗法涉及使用酶（酶）治疗凝血障碍或酶缺乏症等疾病。研究仍在不断揭示有关酶（酶）及其潜在用途的新知识。科学家们正在探索工程化酶（酶）以增强其在工业应用中的特性的方法，例如生物燃料和可生物降解塑料。定制酶（酶）的能力可能会导致更可持续的实践和对环境挑战的创新解决方案。总之，酶（酶）对生命至关重要，并在健康、工业和环境可持续性方面具有深远的影响。了解这些非凡蛋白质的工作原理使我们能够欣赏生物过程的微妙平衡，并为科学进步开辟新的途径。随着我们继续研究酶（酶）及其功能，我们解锁了利用其力量改善人类生活和地球的潜力。