Khi tìm kiếm sự sống trong vũ trụ, các nhà thiên văn học lại tìm kiếm ở những hành tinh có dấu vết của nước vì lí do nào sau đây?
A. Nước là thành phần cấu tạo chủ yếu và là yếu tố quan trọng giúp thực hiện các hoạt động sống của tế bào.
B. Nước có tính chất phân cực giúp tạo liên kết với các hợp chất khác để hình thành nên tế bào.
C. Nước có nhiệt dung đặc trưng cao giúp ổn định nhiệt độ trong tế bào .
D. Nước tạo được sức căng bề mặt lớn giúp tế bào có thể di chuyển trên bề mặt của môi trường nước.
Hãy suy nghĩ và trả lời câu hỏi trước khi xem đáp án
Đáp án đúng là A.
Câu hỏi liên quan
Read the following passage about the Exploring The Universe and mark the letter A, B, C or D on your answer sheet to indicate the best answer to each of the following questions from 31 to 40.
Science is a vast and fascinating field that seeks to understand the natural world and the universe beyond[I]. It encompasses various disciplines, including physics, chemistry, biology, and astronomy[II]. Each of these areas contributes to our understanding of complex phenomena, [III]. For instance, scientific research has led to significant breakthroughs in medicine, renewable energy, and environmental conservation[IV]. In this essay, we will explore the impact of science on our lives, particularly focusing on space exploration.
One of the most intriguing aspects of science is space exploration. Humans have always looked to the stars, wondering what lies beyond our planet. The launch of satellites and manned missions has allowed us to gather valuable information about the cosmos. For example, NASA's Mars Rover has provided insight into the potential for life on other planets. Through meticulous research and data collection, scientists can analyze soil samples and atmospheric conditions, paving the way for future explorations.
Space exploration also raises critical questions about our existence and the future of humanity. As we continue to advance technologically, the prospect of colonizing other planets becomes more plausible. This endeavor could serve as a solution to the challenges we face on Earth, such as overpopulation and resource depletion. However, ethical considerations must guide these efforts. We must ensure that we do not repeat the mistakes of history, such as the exploitation of natural resources and indigenous populations.
Moreover, scientific advancements have enabled us to develop technologies that enhance our understanding of the universe. Telescopes and space probes allow us to observe distant galaxies, study black holes, and uncover the mysteries of dark matter. Each discovery leads to new questions, further fueling our curiosity and drive for knowledge. The concept of the multiverse, for instance, challenges our understanding of reality and pushes the boundaries of scientific thought.
In addition to exploring the universe, science plays a crucial role in addressing pressing issues on Earth. Climate change, for example, is a significant concern that scientists are actively investigating. Through climate models and data analysis, researchers can predict future trends and propose solutions to mitigate the effects of global warming. Public awareness and education are essential in fostering a collective response to environmental challenges.
As we reflect on the wonders of science, it is clear that its contributions extend far beyond mere knowledge acquisition. Science empowers us to make informed decisions about our health, environment, and future. By fostering a culture of curiosity and critical thinking, we can inspire future generations to continue exploring the unknown.
Which of the following is TRUE according to the passage?
Phương án nào sau đây nêu đúng số bit 0 cần bổ sung để dạng nhị phân của 2310 đủ 1 byte?
Đâu là ranh giới tự nhiên của vùng núi Trường Sơn Bắc và Trường Sơn Nam?
Những công nghệ nào sau đây thuộc về công nghệ xử lý chất thải trong chăn nuôi
Trong chuyển động thẳng biến đổi đều, véctơ gia tốc tức thời có đặc điểm:
Đặc điểm chỉ có được do sự sắp xếp và tương tác của các bộ phận cấu thành nên hệ thống được gọi là
Phát biểu nào sau đây là đúng khi nói về mối quan hệ giữa các cấp độ tổ chức sống?
Read the following passage about Key to Addressing Poverty, Gender Disparities, and Environmental Challenges and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 18 to 22.
Social issues are problems that affect a large number of people in society, often creating inequality and hardship. One of the most significant social issues today is poverty. (18)_________, such as food, shelter, and education. In many parts of the world, (19)_________, with families trapped in a cycle of deprivation. While poverty is a complex issue, it is often connected to factors like unemployment and lack of access to education. These factors make it hard for individuals to escape the cycle and improve their lives. To address poverty, governments and organizations must create sustainable policies that focus on education, healthcare, and employment opportunities.
Another pressing issue is gender inequality. In many countries, women still face discrimination in areas like employment and education, limiting their opportunities for personal and economic growth. Even in developed nations, women earn less than men for doing the same work. (20)_________, as people demand equal rights and opportunities for all genders. Moreover, gender inequality can also affect women's health and safety, (21)_________.
Finally, environmental degradation, like pollution and climate change, is a growing global concern. Environmental damage, (22)_________, especially in poorer regions, often affects them the most. The increasing frequency of natural disasters, caused by climate change, is also putting immense pressure on vulnerable populations. Tackling these issues requires a collective effort from both individuals and governments. Only through cooperation and sustainable practices can we hope to create a more equitable and livable world for future generations.
Chọn ý đúng: Nhân tố quan trọng nhất góp phần mở rộng thị trường của hoạt động ngoại thương ở các nước trên thế giới hiện nay?
Việc đầu tiên để làm việc với một CSDL là?
Hành vi nào sau đây chưa thực hiện pháp luật về ngân sách nhà nước?
- Những kim loại nào sau đây tác dụng được với nước ngay ở nhiệt độ thường?
Bộ máy nhà nước Việt Nam được tổ chức và hoạt động theo nguyên tắc nào?
Choose A, B, C or D that has the CLOSEST meaning to the given pair of sentences in the question.
She dedicates a significant amount of her time to volunteering. Her goal is to empower underprivileged communities.
Biểu thức mô tả mối liên hệ giữa năng lượng và khối lượng của An-be Anh-xtanh?
Hành vi vi phạm quyền và nghĩa vụ của công dân về tự do tín ngưỡng, tôn giáo không gây ra hậu quả nào sau đây?
Read the following passage about Vietnamese cultural identity and mark the letter A, B, C or D on your answer sheet to indicate the best answer to each of the following questionsfrom 23 to 30.
Vietnamese cultural identity is a rich and intricate tapestry that reflects the nation's long and storied history. Rooted in over a thousand years of civilization, Vietnam's cultural identity is a fusion of indigenous traditions and external influences, shaped by its geographical location and historical interactions.
First and foremost, at the heart of Vietnamese culture is a deep reverence for family and community. Confucian values emphasizing respect for elders, filial piety, and social harmony have played a pivotal role in shaping Vietnamese society. These values are reflected in the close-knit family structures, hierarchical relationships, and communal rituals that are integral to daily life.
Secondly, Vietnamese cuisine is celebrated worldwide for its exquisite flavors and diversity. With its emphasis on fresh ingredients, fragrant herbs, and balanced flavors, Vietnamese food tells a story of the country's agricultural heritage and regional variations. Iconic dishes like pho, banh mi, and spring rolls have become global favorites, representing the culinary artistry deeply ingrained in Vietnamese culture. Also, Vietnam's artistic expressions are equally captivating. Traditional art forms like water puppetry, silk painting, and folk music continue to thrive alongside contemporary artistic movements. Ao dai, a graceful traditional dress, exemplifies the fusion of elegance and modesty in Vietnamese fashion, symbolizing cultural pride and identity.
Today, in the face of modernization and globalization, Vietnamese cultural identity remains resilient. While adapting to the challenges of the 21st century, the Vietnamese people continue to honor their traditions, celebrate their unique cultural expressions, and pass on their heritage to future generations, ensuring that their cultural identity remains vibrant and enduring.
Which of the following best paraphrases the underlined sentence in paragraph 3?
Hình dưới đây mô tả đồ thị độ dịch chuyển - thời gian của một chiếc xe ô tô chạy trên một đường thẳng. Vận tốc trung bình của xe là
Phát biểu nào không đúng với các dòng biển trong các đại dương thế giới?
Cặp đồ thị nào ở hình dưới đây là của chuyển động thẳng đều?
(I) (II) (III) (IV)