Science — English

What is the primary function of red blood cells in the human body?
Red blood cells play a crucial role in the human body by transporting oxygen from the lungs to various tissues...
Added: 21 Mar 2000
Updated: 03 Nov 2025
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What is the term for an organism's surrounding environment?
The term for an organism's surrounding environment is its ecosystem. This includes both biotic (living) and abiotic (non-living) components that...
Added: 21 Mar 2000
Updated: 21 Nov 2025
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What do we call the distinct difference between two parts of a molecule?
The distinct difference between two parts of a molecule is referred to as a polarity. Polarity results from differences in...
Added: 21 Mar 2000
Updated: 26 Nov 2025
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Which type of radiation has the longest wavelength?
The type of radiation with the longest wavelength is radio waves. This form of electromagnetic radiation is utilized for communication...
Added: 21 Mar 2000
Updated: 26 Nov 2025
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What is the process by which species evolve over generations called?
The process by which species evolve over generations is called natural selection. This mechanism, proposed by Charles Darwin, posits that...
Added: 21 Mar 2000
Updated: 11 Nov 2025
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Which gas is often called the "silent killer" due to its colorless and odorless properties?
The gas often referred to as the "silent killer" is carbon monoxide (CO). It is colorless and odorless, making it...
Added: 21 Mar 2000
Updated: 17 Nov 2025
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What is the term for a virus that infects bacteria?
The term for a virus that infects bacteria is bacteriophage. These viruses attach to bacterial cells, injecting their genetic material,...
Added: 21 Mar 2000
Updated: 17 Nov 2025
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What is the primary function of enzymes in biological systems?
The primary function of enzymes in biological systems is to act as catalysts that speed up chemical reactions. They lower...
Added: 21 Mar 2000
Updated: 27 Nov 2025
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What type of energy is produced by the movement of electrons?
The type of energy produced by the movement of electrons is termed electric energy. This energy results from the flow...
Added: 21 Mar 2000
Updated: 09 Nov 2025
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What is the name of the process by which cells divide to form new cells?
The process by which cells divide to form new cells is called cell division. This includes mitosis, where somatic cells...
Added: 21 Mar 2000
Updated: 12 Nov 2025
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What is the primary role of the nervous system in living organisms?
The primary role of the nervous system in living organisms is to coordinate and control bodily functions by transmitting signals...
Added: 21 Mar 2000
Updated: 07 Nov 2025
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What is the chemical process through which plants convert sunlight into food?
The chemical process through which plants convert sunlight into food is known as photosynthesis. During this process, plants utilize sunlight,...
Added: 21 Mar 2000
Updated: 30 Nov 2025
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What is the currency used in the study of genetics to measure the distance between genes?
The currency used in genetics to measure the distance between genes is called a centimorgan (cM). This unit represents a...
Added: 21 Mar 2000
Updated: 01 Dec 2025
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In what part of the cell is protein synthesis primarily carried out?
Protein synthesis is primarily carried out in the ribosomes of the cell. These cellular structures either float freely in the...
Added: 21 Mar 2000
Updated: 09 Nov 2025
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What unit is used to measure the amount of energy produced in a chemical reaction?
The unit used to measure the amount of energy produced in a chemical reaction is the joule. This SI unit...
Added: 21 Mar 2000
Updated: 26 Nov 2025
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Which gas is commonly used in refrigeration systems?
The gas commonly used in refrigeration systems is freon (or similar refrigerants like R-134a). These substances are effective for absorbing...
Added: 21 Mar 2000
Updated: 10 Nov 2025
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What is the term for the variability of individuals within a population?
The term for the variability of individuals within a population is called genetic diversity. This diversity is crucial for the...
Added: 21 Mar 2000
Updated: 21 Nov 2025
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What form of energy is generated by moving charged particles?
The form of energy generated by moving charged particles is called electrical energy. This energy arises when electrons flow through...
Added: 21 Mar 2000
Updated: 21 Nov 2025
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What is the main mechanism behind the greenhouse effect?
The main mechanism behind the greenhouse effect involves the trapping of heat in the Earth's atmosphere. Greenhouse gases, such as...
Added: 21 Mar 2000
Updated: 08 Nov 2025
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What phenomenon describes the change of a gas into a liquid?
The phenomenon that describes the change of a gas into a liquid is known as condensation. This process occurs when...
Added: 21 Mar 2000
Updated: 13 Nov 2025
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