Science — English

What is the structure of an atom?
The structure of an atom consists of a central nucleus containing positively charged protons and neutral neutrons, surrounded by negatively...
Added: 23 Feb 2000
Updated: 04 Nov 2025
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What is succession in ecology?
Succession in ecology refers to the natural process by which ecosystems change and develop over time, leading to a more...
Added: 23 Feb 2000
Updated: 09 Nov 2025
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What is the process of transcription in cells?
Transcription in cells is the process where genetic information encoded in DNA is copied into messenger RNA (mRNA). This process...
Added: 23 Feb 2000
Updated: 30 Nov 2025
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What is the difference between qualitative and quantitative research methods?
The difference between qualitative and quantitative research methods lies in their approach to data collection and analysis. Qualitative research focuses...
Added: 23 Feb 2000
Updated: 24 Nov 2025
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What is the significance of blood types in transfusions?
The significance of blood types in transfusions lies in the compatibility of different blood group antigens. There are four primary...
Added: 23 Feb 2000
Updated: 04 Nov 2025
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What is a characteristic of a prokaryotic cell?
A characteristic of a prokaryotic cell is its lack of a defined nucleus and organelles, which distinguishes it from eukaryotic...
Added: 23 Feb 2000
Updated: 05 Nov 2025
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What is a freshwater biome?
A freshwater biome is an ecosystem characterized by the presence of freshwater, which includes rivers, lakes, ponds, and wetlands. These...
Added: 23 Feb 2000
Updated: 22 Nov 2025
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What is the structure of DNA?
The structure of DNA consists of two long strands forming a double helix. Each strand is composed of a backbone...
Added: 23 Feb 2000
Updated: 01 Nov 2025
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What is the relationship between oxygen levels and aquatic life?
There is a strong relationship between oxygen levels and aquatic life. Oxygen is essential for most aquatic organisms, particularly fish...
Added: 23 Feb 2000
Updated: 01 Dec 2025
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What is the main driver of global climate change?
The main driver of global climate change is the increase in greenhouse gas emissions, particularly carbon dioxide (CO2), from human...
Added: 23 Feb 2000
Updated: 18 Nov 2025
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What is the role of muscle tissue in the body?
The role of muscle tissue in the body is primarily to facilitate movement and maintain posture. It consists of three...
Added: 23 Feb 2000
Updated: 21 Nov 2025
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What is the chain of infection?
The chain of infection describes the sequence of events that allows an infectious disease to spread. It begins with an...
Added: 23 Feb 2000
Updated: 12 Nov 2025
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What is the phenomenon of magnetic field reversal?
Magnetic field reversal is a phenomenon where the Earth's magnetic poles switch places. This occurs irregularly, approximately every 200,000 to...
Added: 23 Feb 2000
Updated: 06 Nov 2025
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What is the main reason for the seasons on Earth?
The main reason for the seasons on Earth is the tilt of its axis relative to its orbital plane around...
Added: 23 Feb 2000
Updated: 15 Nov 2025
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What are polymers?
Polymers are large molecules made up of repeating subunit units called monomers. These macromolecules can be natural, such as proteins...
Added: 23 Feb 2000
Updated: 30 Nov 2025
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What is the role of the lysozyme in the body?
Lysozyme plays a crucial role in the body's immune defense. It is an enzyme that catalyzes the breakdown of peptidoglycan,...
Added: 23 Feb 2000
Updated: 01 Nov 2025
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What is the significance of the food chain?
The significance of the food chain lies in its representation of the flow of energy and nutrients through an ecosystem....
Added: 23 Feb 2000
Updated: 01 Dec 2025
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What is the role of a biologist?
The role of a biologist is to study living organisms and their interactions with the environment. This includes investigating their...
Added: 23 Feb 2000
Updated: 25 Nov 2025
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What is the difference between hard and soft science?
The difference between hard science and soft science lies in their methodology and focus. Hard sciences, such as physics and...
Added: 23 Feb 2000
Updated: 13 Nov 2025
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What are trophic levels?
Trophic levels represent the hierarchical positions in a food chain based on the organism's source of energy. The primary level...
Added: 23 Feb 2000
Updated: 12 Nov 2025
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