amino acid

简明释义

氨基酸

英英释义

例句

1.Protein is made up of long chains of amino acids.

蛋白质是由长链的氨基酸组成的。

2.Vegetarians need to combine different foods to get all the necessary amino acids.

素食者需要结合不同的食物来获得所有必要的氨基酸。

3.Some athletes take supplements that contain essential amino acids.

一些运动员服用含有必需氨基酸的补充剂。

4.A balanced diet should include a variety of sources of amino acids.

均衡饮食应包括多种来源的氨基酸。

5.The body can produce some amino acids, but others must be obtained from food.

身体可以合成某些氨基酸，但其他的必须通过食物摄取。

作文

Amino acids are the building blocks of proteins, which are essential for the growth and repair of tissues in our body. Each protein is made up of a specific sequence of these molecules, and there are 20 different types of amino acids that combine in various ways to create the vast array of proteins found in living organisms. The importance of amino acid (氨基酸) cannot be overstated, as they play crucial roles not just in protein synthesis but also in various metabolic processes. One of the most fascinating aspects of amino acids (氨基酸) is their classification into essential and non-essential categories. Essential amino acids (氨基酸) cannot be synthesized by the body and must be obtained through diet. These include leucine, isoleucine, valine, lysine, methionine, phenylalanine, threonine, tryptophan, and histidine. On the other hand, non-essential amino acids (氨基酸) can be produced by the body itself, such as alanine, aspartic acid, and glutamic acid. This distinction is vital for understanding nutritional needs and how to maintain a balanced diet.In addition to their role in protein synthesis, amino acids (氨基酸) are involved in the production of hormones and neurotransmitters. For instance, tryptophan is a precursor to serotonin, a neurotransmitter that regulates mood, while tyrosine is important for the synthesis of dopamine, which plays a key role in reward and motivation. This demonstrates how amino acids (氨基酸) influence not only physical health but also mental well-being.Moreover, amino acids (氨基酸) are integral to energy production. When the body is low on carbohydrates, it can utilize certain amino acids (氨基酸) for energy through a process called gluconeogenesis. This adaptability highlights the versatility of amino acids (氨基酸) in supporting various physiological functions.Athletes and fitness enthusiasts often pay close attention to their amino acid (氨基酸) intake, as these molecules are crucial for muscle recovery and growth. Branched-chain amino acids (氨基酸), particularly leucine, are known to stimulate muscle protein synthesis, making them popular supplements among those engaging in strength training. Understanding the role of amino acids (氨基酸) in exercise can lead to better performance and recovery strategies.In conclusion, amino acids (氨基酸) are fundamental components of life, influencing everything from protein structure to metabolic pathways and mental health. A diet rich in diverse sources of amino acids (氨基酸), such as meat, dairy, eggs, legumes, and nuts, can help ensure that we meet our body's needs for these essential molecules. As research continues to uncover the myriad functions of amino acids (氨基酸), it becomes increasingly clear that they are vital for maintaining overall health and well-being.

氨基酸是蛋白质的构建块，这些蛋白质对我们身体的生长和组织修复至关重要。每种蛋白质由这些分子的特定序列组成，生活中有20种不同类型的氨基酸以各种方式结合，形成生物体内丰富多样的蛋白质。氨基酸的重要性不容小觑，因为它们不仅在蛋白质合成中发挥关键作用，还参与多种代谢过程。氨基酸的一个有趣方面是它们被分类为必需和非必需类别。必需氨基酸（氨基酸）无法由身体合成，必须通过饮食获得。这些包括亮氨酸、异亮氨酸、缬氨酸、赖氨酸、蛋氨酸、苯丙氨酸、苏氨酸、色氨酸和组氨酸。另一方面，非必需氨基酸（氨基酸）可以由身体自身产生，例如丙氨酸、天冬氨酸和谷氨酸。这一区分对于理解营养需求以及如何维持均衡饮食至关重要。除了在蛋白质合成中的作用外，氨基酸（氨基酸）还参与激素和神经递质的生成。例如，色氨酸是调节情绪的神经递质血清素的前体，而酪氨酸对合成多巴胺至关重要，后者在奖励和动机中起着关键作用。这表明氨基酸（氨基酸）不仅影响身体健康，还影响心理健康。此外，氨基酸（氨基酸）在能量生产中也至关重要。当身体缺乏碳水化合物时，可以通过称为糖异生的过程利用某些氨基酸（氨基酸）来获取能量。这种适应性突显了氨基酸（氨基酸）在支持各种生理功能方面的多样性。运动员和健身爱好者通常会特别关注他们的氨基酸（氨基酸）摄入，因为这些分子对肌肉恢复和生长至关重要。支链氨基酸（氨基酸），尤其是亮氨酸，被认为能够刺激肌肉蛋白质合成，因此在进行力量训练的人群中受到欢迎。了解氨基酸（氨基酸）在运动中的作用可以帮助制定更好的表现和恢复策略。总之，氨基酸（氨基酸）是生命的基本组成部分，影响从蛋白质结构到代谢途径和心理健康的方方面面。富含多种氨基酸（氨基酸）来源的饮食，例如肉类、乳制品、鸡蛋、豆类和坚果，可以帮助确保我们满足身体对这些基本分子的需求。随着研究不断揭示氨基酸（氨基酸）的众多功能，越来越清楚的是，它们对维持整体健康和幸福至关重要。