Science — English

What is the significance of the carbon cycle within ecosystems?
The carbon cycle is crucial within ecosystems as it regulates the flow of carbon through the environment, promoting photosynthesis in...
Added: 13 Feb 2000
Updated: 03 Nov 2025
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What is the main role of the ribosomes in a cell?
The main role of ribosomes in a cell is to synthesize proteins. Ribosomes translate messenger RNA (mRNA) sequences into polypeptide...
Added: 13 Feb 2000
Updated: 01 Dec 2025
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What is the scientific term for the process of aging?
The scientific term for the process of aging is senescence. Senescence involves a gradual decline in cellular function, leading to...
Added: 13 Feb 2000
Updated: 01 Dec 2025
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What are the primary components of the Earth’s atmosphere?
The primary components of the Earth's atmosphere are nitrogen (approximately 78%), oxygen (around 21%), and trace gases, including carbon dioxide...
Added: 13 Feb 2000
Updated: 17 Nov 2025
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What is the basic role of connective tissues in the body?
The basic role of connective tissues in the body is to provide support, protection, and structural framework. These tissues connect...
Added: 13 Feb 2000
Updated: 25 Nov 2025
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What is the term used to describe an organism's environment and its interactions with it?
The term used to describe an organism's environment and its interactions with it is called its ecosystem. An ecosystem encompasses...
Added: 13 Feb 2000
Updated: 06 Nov 2025
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What type of cells in the human body are responsible for immune response?
In the human body, immune cells called lymphocytes are responsible for the immune response. These cells, including B cells and...
Added: 13 Feb 2000
Updated: 26 Nov 2025
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What is the term for the energy required to initiate a chemical reaction?
The term for the energy required to initiate a chemical reaction is called activation energy. This energy barrier must be...
Added: 13 Feb 2000
Updated: 05 Nov 2025
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Which discovery led to the development of antibiotics?
The discovery of penicillin by Alexander Fleming led to the development of antibiotics. This groundbreaking find in 1928 marked the...
Added: 13 Feb 2000
Updated: 19 Nov 2025
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What is a pyrimidine?
A pyrimidine is a type of nitrogenous base found in nucleic acids, specifically DNA and RNA. Pyrimidines include the bases...
Added: 13 Feb 2000
Updated: 29 Nov 2025
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What is the primary factor driving natural selection?
The primary factor driving natural selection is variation in traits within a population. Variations arise from mutations, genetic recombination, and...
Added: 13 Feb 2000
Updated: 13 Nov 2025
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What is the strongest type of chemical bond known?
The strongest type of chemical bond known is the covalent bond, specifically when multiple electron pairs are shared between two...
Added: 13 Feb 2000
Updated: 10 Nov 2025
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What is the role of biodiversity in ecosystem stability?
Biodiversity plays a significant role in ecosystem stability by enhancing resilience and adaptability. Diverse ecosystems can better withstand environmental changes,...
Added: 13 Feb 2000
Updated: 17 Nov 2025
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What is the term for the specialized glands that secrete hormones?
The specialized glands that secrete hormones are called endocrine glands. These glands play a critical role in regulating physiological processes...
Added: 13 Feb 2000
Updated: 19 Nov 2025
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What substance is necessary for the process of cellular respiration?
The substance necessary for the process of cellular respiration is glucose, along with oxygen. Cellular respiration is a biochemical process...
Added: 13 Feb 2000
Updated: 24 Nov 2025
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What is the process of converting solid directly into gas called?
The process of converting solid directly into gas, bypassing the liquid phase, is called sublimation. This transition occurs under specific...
Added: 13 Feb 2000
Updated: 28 Nov 2025
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What do we call the gradual change in species over time?
The gradual change in species over time is termed evolution. This process occurs through mechanisms such as natural selection, genetic...
Added: 13 Feb 2000
Updated: 12 Nov 2025
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What type of bond is formed when two atoms share electrons?
When two atoms share electrons, a covalent bond is formed. This type of bond occurs when atoms, typically nonmetals, come...
Added: 13 Feb 2000
Updated: 18 Nov 2025
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What term describes the study of the physical structure of organisms?
The study of the physical structure of organisms is known as anatomy. Anatomy examines the various parts and systems within...
Added: 13 Feb 2000
Updated: 04 Nov 2025
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What is the definition of an adaptation in biology?
In biology, an adaptation refers to a characteristic or feature that has evolved in a species, enhancing its ability to...
Added: 13 Feb 2000
Updated: 10 Nov 2025
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