right hand helix

简明释义

右螺旋线;右螺旋纹

英英释义

A right hand helix is a type of spiral structure that twists in a clockwise direction when viewed from one end, resembling the shape of a corkscrew.

右手螺旋是一种螺旋结构,从一端观察时呈顺时针方向扭转,类似于开瓶器的形状。

例句

1.When modeling the structure of a peptide, we often encounter right hand helix formations.

在对肽的结构建模时,我们常常会遇到右手螺旋的构型。

2.In molecular biology, understanding the right hand helix configuration is crucial for genetic engineering.

在分子生物学中,理解右手螺旋结构对于基因工程至关重要。

3.The right hand helix of proteins can influence their function and interaction with other molecules.

蛋白质的右手螺旋可以影响它们的功能及与其他分子的相互作用。

4.The DNA molecule is structured as a right hand helix, which allows for efficient replication.

DNA分子的结构是一个右手螺旋,这使得高效复制成为可能。

5.The right hand helix is a common motif in many biological macromolecules.

在许多生物大分子中,右手螺旋是一种常见的结构特征。

作文

The concept of a right hand helix is fundamental in various fields, particularly in biology and chemistry. To understand this term better, we must first explore what a helix is. A helix is a three-dimensional shape that resembles a spiral staircase. It can be found in many natural structures, including DNA, which is often described as a double helix. The orientation of the helix can be categorized as either right-handed or left-handed, depending on the direction it twists. A right hand helix is one that twists in a clockwise direction when viewed from above. This specific orientation is crucial for the biological functions of many molecules.In molecular biology, the right hand helix is particularly significant because it describes the structure of DNA. Each strand of DNA is composed of nucleotides, which are the building blocks of genetic material. The arrangement of these nucleotides forms a double helix, where two strands wind around each other. The right-handed twist of the helix allows for the efficient pairing of complementary bases, which is essential for replication and transcription processes. Understanding the structure of DNA as a right hand helix helps scientists comprehend how genetic information is stored and passed on through generations.Moreover, the right hand helix also appears in proteins, specifically in the structure of alpha helices. These are common secondary structural elements in proteins, contributing to their overall shape and function. The right-handed twist of the alpha helix allows for optimal hydrogen bonding between amino acids, stabilizing the protein's structure. This highlights the importance of the right hand helix in biochemistry, as it plays a vital role in determining how proteins fold and function within living organisms.From a physical standpoint, the right hand helix can also be observed in the design of various mechanical systems. For example, screws and bolts often utilize a right-handed thread, which means they tighten when turned clockwise. This principle is not only intuitive but also enhances the efficiency of fastening mechanisms. The application of the right hand helix in engineering emphasizes its relevance beyond biological systems, showcasing its versatility in different domains.In conclusion, the right hand helix is a concept that transcends multiple disciplines, from molecular biology to mechanical engineering. Its significance in the structure and function of DNA and proteins underscores its importance in the life sciences. Additionally, its application in everyday mechanical devices demonstrates the broader implications of this simple yet profound geometric form. By understanding the right hand helix, we gain insight into the intricate designs of nature and the principles that govern both biological and mechanical systems.

“右手螺旋”的概念在多个领域中具有基础性的重要性,尤其是在生物学和化学中。要更好地理解这个术语,我们首先需要探索什么是螺旋。螺旋是一种三维形状,类似于旋转的楼梯。它可以在许多自然结构中找到,包括DNA,通常被描述为双螺旋。螺旋的方向可以分为右手和左手,这取决于它的扭转方向。一个右手螺旋是指从上方观察时顺时针扭转的螺旋。这种特定的方向对于许多分子的生物功能至关重要。在分子生物学中,右手螺旋特别重要,因为它描述了DNA的结构。每条DNA链由核苷酸组成,核苷酸是遗传物质的基本构件。这些核苷酸的排列形成了双螺旋,其中两条链相互缠绕。螺旋的右手扭转允许互补碱基的有效配对,这对于复制和转录过程是必不可少的。将DNA的结构理解为右手螺旋有助于科学家理解遗传信息如何存储和传递给后代。此外,右手螺旋也出现在蛋白质中,特别是在α螺旋的结构中。这些是蛋白质中常见的二级结构元素,有助于其整体形状和功能。α螺旋的右手扭转允许氨基酸之间的最佳氢键结合,从而稳定蛋白质的结构。这突显了右手螺旋在生物化学中的重要性,因为它在决定蛋白质如何在生物体内折叠和发挥功能方面起着至关重要的作用。从物理角度来看,右手螺旋也可以在各种机械系统的设计中观察到。例如,螺钉和螺栓通常采用右手螺纹,这意味着它们在顺时针旋转时会拧紧。这一原理不仅直观,而且提高了紧固机制的效率。右手螺旋在工程中的应用强调了它在生物系统之外的相关性,展示了它在不同领域的多样性。总之,右手螺旋是一个跨越多个学科的概念,从分子生物学到机械工程。它在DNA和蛋白质的结构与功能中的重要性突显了它在生命科学中的重要性。此外,它在日常机械设备中的应用展示了这一简单而深刻的几何形式的更广泛意义。通过理解右手螺旋,我们获得了对自然中复杂设计和支配生物及机械系统的原则的深入了解。

相关单词

helix

helix详解:怎么读、什么意思、用法