activating signal

简明释义

起动信号

英英释义

例句

1.The device requires an activating signal to start functioning.

该设备需要一个激活信号才能开始工作。

2.In the experiment, we observed how the activating signal influenced cell behavior.

在实验中，我们观察到激活信号如何影响细胞行为。

3.An activating signal is crucial for starting the chemical reaction.

一个激活信号对启动化学反应至关重要。

4.The software needs an activating signal from the server to proceed.

软件需要来自服务器的激活信号才能继续。

5.The remote control sends an activating signal to the TV.

遥控器向电视发送一个激活信号。

作文

In the realm of biology, the concept of an activating signal is crucial for understanding how cells communicate and respond to their environment. An activating signal can be defined as a specific stimulus that triggers a cellular response, leading to various physiological changes. These signals can come in many forms, such as hormones, neurotransmitters, or even environmental factors. For instance, when a hormone binds to its receptor on a target cell, it acts as an activating signal, initiating a cascade of biochemical reactions that ultimately result in a specific outcome, such as growth, metabolism, or immune response.The importance of activating signals cannot be overstated. They play a pivotal role in maintaining homeostasis within the body. Consider the example of insulin, a hormone produced by the pancreas. When blood sugar levels rise after a meal, insulin is released into the bloodstream. This release serves as an activating signal that prompts cells to uptake glucose, thereby lowering blood sugar levels and restoring balance. Without such activating signals, our bodies would struggle to function optimally, leading to various health issues.Moreover, the study of activating signals is not limited to human biology; it extends to all living organisms. In plants, for example, light serves as an activating signal for photosynthesis. When plants detect sunlight, they activate their chlorophyll to begin converting light energy into chemical energy. This process is vital for the survival of plants and, consequently, for life on Earth as it contributes to the oxygen we breathe and the food we consume.On a broader scale, understanding activating signals can lead to advancements in medicine and technology. Researchers are exploring how these signals can be manipulated to treat diseases. For instance, in cancer therapy, scientists are investigating ways to use activating signals to encourage cancer cells to undergo apoptosis, or programmed cell death. By harnessing these signals, it may be possible to develop targeted treatments that minimize damage to healthy cells while effectively eliminating cancerous ones.In conclusion, activating signals are fundamental to the functioning of biological systems. They enable cells to react to their surroundings and ensure that processes occur in a coordinated manner. From regulating metabolism to facilitating communication between cells, the role of activating signals is indispensable in both health and disease. As we continue to explore this fascinating area of study, we may uncover new ways to utilize activating signals for therapeutic purposes, ultimately enhancing our understanding of life itself. Therefore, a deeper comprehension of activating signals could pave the way for groundbreaking discoveries in biology and medicine.

在生物学领域，激活信号的概念对于理解细胞如何与环境进行沟通和响应至关重要。激活信号可以定义为一种特定刺激，它触发细胞反应，导致各种生理变化。这些信号可以以多种形式出现，如激素、神经递质或甚至环境因素。例如，当一种激素结合到靶细胞上的受体时，它作为激活信号，启动一系列生化反应，最终导致特定结果，如生长、代谢或免疫反应。激活信号的重要性不容小觑。它们在维持身体内稳态方面发挥着关键作用。考虑胰岛素的例子，这是一种由胰腺产生的激素。当餐后血糖水平升高时，胰岛素被释放到血液中。这种释放作为激活信号，促使细胞摄取葡萄糖，从而降低血糖水平并恢复平衡。如果没有这样的激活信号，我们的身体将难以正常运作，导致各种健康问题。此外，激活信号的研究不仅限于人类生物学；它扩展到所有生物体。例如，在植物中，光线作为激活信号促进光合作用。当植物探测到阳光时，它们激活叶绿素开始将光能转化为化学能。这一过程对植物的生存至关重要，因此也对地球上的生命至关重要，因为它为我们提供了氧气和食物。在更广泛的层面上，理解激活信号可以推动医学和技术的进步。研究人员正在探索如何操控这些信号以治疗疾病。例如，在癌症治疗中，科学家们正在研究如何利用激活信号来促使癌细胞经历凋亡或程序性细胞死亡。通过利用这些信号，有可能开发出靶向治疗，最小化对健康细胞的损害，同时有效消灭癌细胞。总之，激活信号是生物系统功能的基础。它们使细胞能够对周围环境做出反应，并确保过程以协调的方式进行。从调节代谢到促进细胞间的沟通，激活信号在健康和疾病中的作用不可或缺。随着我们继续探索这一迷人的研究领域，我们可能会发现利用激活信号进行治疗的新方法，最终增强我们对生命本身的理解。因此，更深入地理解激活信号可能为生物学和医学的突破性发现铺平道路。